Hardware

Articles (2)

TitleAuthor(s)PublicationDate
Spectrum Emulator Revisited
In last month’s article, we inadvertently left out the printed circuit board layout, so here it is this month with...
SUMSeptember 1984
Tips for the T/S 2068
Hardware modification tip describing replacement of the short factory cable on the T/S 2040 or Alphacom 32 printer with a...
Dennis NickelsSMUG BytesMarch 1988

Products (691)

TitleCompany
“Peel and Stick” Keys
Tiny rectangles of self-adhesive foam pads printed with a portion of the legends on the TS 1000 keyboard.
E. H. Enterprises
1-3K Memory Expansion
Uses static RAM.
Haven Hardware
16-32-48K expanda RAM
Fits inside case.
Dancer
16-line Programmable I/O Port
Interface to one Thurnall device. Uses Zilog PIO. Fully decoded, so it doesn’t conflict with other devices. Interfacing to more...
Thurnall Electronics
16K EPROM
Vaporware announced as coming soon in the Sync v3 n1 advertisement.
Memotech
16K or 32K RAM Plans
Plans to expand 1K model to 16K or ZX81 with 16K to 32K for under $30. Fits inside ZX81.
T. W. Cook
16K RAMSinclair Research Ltd.
16K RAM
Gold-plated connectors and power LED. Manufactured by Indescomp.
Sinclair Place
16K RAM (internal)
Internal RAM expansion for keyboard.
DK’tronics
16K RAM Pack
No enclosure RAM pack.
Namal Associates
16K RAM PackDolphin Computer
16K RAM PackAudio Vision
16K RAM PackSuntronics
16K RAM PackGladstone Electronics
16K RAM Pack
Expansion for the Compu-board system.
Compu-Pak
16K RAM Pack
Available with or without a case.
DK’tronics
16K RAM PackJRS Software
16K RAM PackKB Enterprises
16K RAM Pack
Works on Sinclair power supply.
Kayde Electronic Systems Ltd.
16K RAM Pack
Highly crash resistant RAM pack that can be mounted inside the computer under the keyboard or plugged into the rear...
Laserscan Electronics Corp.
16K RAM Pack
Injection molded plastic case; overcomes wobble and disconnection problems characteristic of other units; optional extra is a keyboard sounder giving...
Ground Control
16K RAM Pack
RAM pack physically similar to TS 1016. Claims not to suffer from wobble.
Computer Add-Ons
16K RAM Pack
Expandable to 32K.
RKL Systems
16K RAM plus Expansion Board
3 slots with extra power supply. 4K or 16K.
Comp Shop, Ltd.
1K RAM Board
Static RAM; expands internal memory to 2K.
Quicksilva
2 amp Power Supply
Heavy duty replacement for the standard Sinclair/Timex supply. Supplies up to two amps to run external memory, printer, I/O modules,...
Hurricane Electronics Lab
2068 Centronics Printer Interface
Printer interface that was available as cartridge port or rear edge connector models. Worked with Centronics printers, allows full page,...
Hacksel Electronics
2068 Emulator Board
Spectrum emulation when used with appropriate ROM.
Integrated Data Systems
2068 EPROM Programmer
Board adds the ability to program 2764 and 27128 EPROMs to your 2068 system. Board comes with documentation on assembly,...
John Oliger Co.
2068 Expansion Board
Compact expansion board plugs into the rear expansion connector of 2068 computer, provides slots for Oliger expansion boards. Board includes...
John Oliger Co.
2068 EXROM Revision
Edited version of the 2068 EXROM, likely to correct some issues with the original EXROM.
2068 Parallel Printer Port
Printer port for printers that have a Centronics interface. Uses the same port and BUSY bit as the AERCO 2068...
John Oliger Co.
2068 Programmer’s Cartridge (AROS) Toolkit
24K program has many built-in features (including tri-base arithmetic) and printer drivers. Available on tape ($9.95) or EPROM ($39.95)
Thomas B. Woods
2068 Spectrum Joystick Port
This small joystick board Is designed to plug into your 2068 expansion board to emulate the Kempston Joystick interface. This...
John Oliger Co.
2068 Spectrum ROM
Untested EPROM. There is a one byte difference at 6Dh in the NMI routine. The original Spectrum ROM has 20h...
2068 User Cartridge Board
Plugs into the cartridge port of the TS 2068 computer. Can hold two 2764 or two 27128 EPROMs in any...
John Oliger Co.
2068/1520 Printer Interface
Interface to connect a TS 2068 to the Commodore 1520 plotter. Later available with driver for Okimate 20 printer. The...
John McMichael
2118-7 Memory Chip
Dynamic RAM (16kx1) for making a 16K RAM expansion.
PM Enterprises
232 Modem
Modem that connects directly to the computer.
Cobra Technology Limited
24 Line I/O Port
Controlled using BASIC, with suitable interface circuits will control LEDs, motors, relays, lights, sound generators.
Redditch Electronics
256K RAM disk
Upgrade to disk interface. Can be configured as RAM disk or port-mapped in 64K banks shadowing the cartridge bank.
AERCO
256×192 Bit Mapped Hi Res Graphics
Plans to build a high resolution graphics module.
Advanced Interface Designs
2716 * 4 EPROM Reader
Map its 2716 EPROMs anywhere in the 64K memory. Board is intended to be used as a “cartridge” for storing...
John Oliger Co.
2716 EPROM Programmer
This programmer was also described in SQ #s 1 and 2, so this article is recommended reading on this one,...
John Oliger Co.
2764 * 2 EPROM Reader
Board is capable of mapping either of its 2764 EPROMs anywhere in the 64K map in 8K blocks. Board is...
John Oliger Co.
2764 EPROM Programmer
This programmer is identical to the 2716 Programmer except for the following: The circuit has been changed to accept 28...
John Oliger Co.
2K “Toolkit” EPROM
Works with EPROM-READ card. 2716 EPROM operating in 8192-10239 part of memory-map. Programmed with Breakout, Life, and Toolkit (renumber, including...
Orme Electronics
2K Memory Upgrade
Kit to increase the ZX81 to 2K.
Cosmonics
2K RAM Board
Static RAM; expands internal memory to 3K.
Quicksilva
2K RAM Pack
Static RAM expansion; works with built-in RAM.
DK’tronics
2K RAM Upgrade
Upgrade for 1K ZX81. Includes 2K RAM chip, socket, jumper and instructions.
Micro Logic Corp
2K RAM Upgrade
Internal upgrade; replaces existing RAM chips.
Powertronix Electronics
2K to 24K Memory Expansion
Plans to expand memory up to 24K, using 2K RAM chips, placed anywhere from 8192 to 32768.
JST Enterprises
3 Port I/O board
Programmable 8255 PIA. Space for analog-to-digital converter, relays, clock chip, etc. Expansion connector for RAM pack.
Professional Electronics
310 I/O port with real time clock
I/O board with our real time clock/calendar. 8 outputs capable of driving relays 8 TTL inputs Feed-through Sinclair bus connector...
JK Audio
315 Bare PCB I/O, real time clock boardJK Audio
317 Clock IC and crystalJK Audio
320 A to D and D to A converterJK Audio
325 Bare PCB of A/D, D/AJK Audio
32K and 32K/64K Non-Volatile Memory RAM Board/Cartridges
Plugs into the TS2068 cartridge slot. On board battery keeps it alive even when you turn the computer off. Switch...
Thomas B. Woods
32K Internal RAM Modification
32k RAM inside the 2068, in the upper half of the DOCK and EXROM bank. RAM is active in the...
Zunk Custom Electronics
32K RAM
Gold-plated connectors and power LED. Manufactured by Indescomp.
Sinclair Place
32K RAM cartridge
Expansion RAM, plugs into dock slot.
Lemke Software Development
32K RAM Pack
Expandable to 64K. RKL joystick systems can be added to this unit.
RKL Systems
32K RAM Piggy-Back
Can be used standalone or with a 16K RAM for a total of 48K.
Gladstone Electronics
330 Wireless control systemJK Audio
340 Solid State AC switchJK Audio
350 Relay boardJK Audio
3K RAM Board
Static RAM; expands internal memory to 4K.
Quicksilva
4 Port I/O
Kit, plugs into ST-50 buffered motherboard.
Sigma Technology
4-channel Relay Box
Use with Thurnall I/O board to switch low-current household equipment.
Thurnall Electronics
48K Memory Extension
Allows ZX81 to run 48K Basic programs including up to 16K of assembly code. ZX81 sits on custom built case...
Memotech
48K RAM for TS2000
Announced before 2068 launched. Manufacturer assumed 2068 would be identical to Spectrum.
Computer Add-Ons
48K RAM PackRKL Systems
4K High Resolution Graphics ROM
Gives 448 extra pre-programmed graphics symbols. The ROM contains lower-case letters, bombs, bullets, rockets, tanks, a complete set of invaders...
DK’tronics
4K RAM Pack
Static RAM expansion; works with built-in RAM.
DK’tronics
4K Toolkit
16 utilities that are relocatable to wherever you can execute machine code, on EPROM. Tape version available from Tom Woods.
Delphic Enterprises
55-key Keyboard
Plans and complete kit (keyboard, parts, etc) for add-on keyboard.
Schultz Systems
64K CP/M 2.2 Option
The CP/M option for the Zebra FDD 3 gives you access to the large library of CP/M-80 business and personal...
Zebra Systems, Inc.
64K Dynamic RAM
64K DRAM board for the TS1000, TS1500 or ZX81. Special features of this memory include: 8-12K on/off switch 12-16K on/off...
John Oliger Co.
64K RAM
Gold-plated connectors and power LED. Manufactured by Indescomp.
Sinclair Place
64K RAM (internal)
Internal RAM expansion for keyboard.
DK’tronics
64K RAM PackCompuTech & Software Industries, Inc.
64K RAM Pack
No enclosure RAM pack. 4K pages can be switched off.
Namal Associates
64K RAM PackDolphin Computer
64K RAM PackAudio Vision
64K RAM Pack
Available with or without a case. 8-16K area available.
DK’tronics
64K RAM Pack
Metal case, snug fit for no wobble.
Gladstone Electronics
64K RAM Pack
Expansion for the Compu-board system.
Compu-Pak
64K RAM PackBARLOG Software
64K RAM PackSuntronics
64K RAM PackJRS Software
64K RAM Pack
Self-contained memory expander, housed in metal.
Sunflower Systems
64K RAM Pack
RAM pack similar in shape to the TS 1016. Claims not to suffer from wobble.
Computer Add-Ons
64KT/64KZ
64K RAM upgrades which mount inside the TS 1000 or ZX81. Installs in a minute with no soldering, and easy...
Independence Research
6502 Graphic Hardware Emulator
All features of 6502 Software Emulator plus graphic display of 6502 hardware status.
Sinclair Applications
6502 Software Emulator
Learn 6502 machine language on your computer. Develop 6502 programs.
Sinclair Applications
6K memory (internal)
Add 4K or 6K RAM internally.
Zodex
8-way Indicator Unit
8 LED output; displays binary equivalent of the data on one port of the Thurnall I/O board.
Thurnall Electronics
8-way Switch Unit
Provides a byte-wide input interface to the Thurnall I/O board.
Thurnall Electronics
8-way Transistor Driver
Use with Thurnall I/O board to switch low voltage devices.
Thurnall Electronics
8K BASIC ROM
The new BASIC allows the use of floating point arithmetic to nine digit accuracy, and contains log and trig functions...
Sinclair Research Ltd.
8K BASIC ROM
Upgrade ZX-80 compatible 4K ROM to ZX-81 compatible 8K ROM. The MicroAce scrambled several data lines, so it requires an...
Comp Shop, Ltd.
8K EPROM Board
Allows up to 8K of EPROM or RAM in 2K blocks to be added in the 8-16K ZX81 memory map....
EPROM Services
8K RAM packDK’tronics
A-D Converter
8 channels, 256 level analog-to-digital converter. Can be used with Atari paddles.
User Friendly Research
A/D Converter Board
Four channel analog-to-digital conversion board. Connect analog joysticks or other A/D uses. Supports the Mikro-Gen analog joysticks and games that...
Mikro-Gen
A/D-D/A Expansion Board
Provides two channels of ADC and two channels of DAC. 8-bit resolution is obtained in 100 microseconds. The I/O command...
Micro Developments
A&J Micro Drive
Low cost, high-speed mass storage system that uses on “wafers” (endless loop tapes). Data transfer rate is many times faster...
A&J Micro Drive
A&J Micro Drive Model 2000
The TS2068 version of the A&J Micro Drive has all the features of the original and includes a Centronics printer...
A&J Micro Drive
Abacus Controller for TS1000
Eliminate swapping of plugs when LOADing and SAVEing programs on cassette. Single switch selection of TALK, SAVE, CUE, and LOAD...
Abacus Electronics
Abacus Controller for TS2000
Eliminate swapping of plugs when LOADing and SAVEing programs on cassette. Single switch selection of SAVE, LOAD, and AMP modes....
Abacus Electronics
Add on RAM for ZX80 instructions
Complete schematic, parts list, sources, and how-to.
Dennis Weber
Add-A-Switch
Small power switch that inserts between the computer and the power supply. Later called the Lyon Switch.
Lyon Ware
AGF Joystick Interface II
For one or two joysticks. Controls eight directions, including 45 degrees and fire.
Integrated Data Systems
Alphacom 32 Printer
OEM for Timex/Sinclair 2040 printer.
AlphaCom
Amplifier Unit for TS Computers
Amplifier unit allows complete control over speech volume. Works with 9V battery included.
Tad Painter
Analog Interface Board
8 channels each of A/D and D/A. Up to 200K samples per second, 1.6 microsecond A/D conversion time, 100ns acquisition...
Computer Continuum
Analog-Digital Module
With the addition of the A-D module, the BB-1 or BB-68 can read analog signals. The A-D is a single...
Byte-Back Co
ASCII Communications Firmware
EPROM (2716) used with the CAI/O board. Converts Sinclair code to ASCII code, allowing the TS1000 to communicate with other...
CAI Instruments, Inc.
Assembler
Code and edit a source program in the Z80 language and assemble it into machine code. Editor mode allows you...
Memotech
ASZMIC External Card
Features socket for ASZMIC ROM, socket for additional 4K/8K EPROM or RAM, 24 programmable I/O lines (8255) and EPROM programming...
Comprocsys, Ltd
ASZMIC ROM
Plug-in replacement ROM for Sinclair Basic. Redefines hardware and transforms it into an assembly language programming unit. ROM appears at...
Comprocsys, Ltd
Atari Compatible JoystickZebra Systems, Inc.
Audio Recognition System
Voiceprint identification, voice analysis or tone switch. 2K and 16K.
Ron LeMon
Automatic Repeat Function
Module with built-in self-test LED, automatic and continuous character input.
Kabre Electronics
Baby BBU
NiCad battery backup. 30 minute capacity.
SyncWare Co.
Bach Box
Hook up to any audio amplifier and start composing your own tunes. Pseudo-polyphonic output. Sample tune and full instructions included.
Rave Research
BASICare Modular Expansion System
This modular system was designed to expand a ZX81, TS 1000 or TS 1500 computer into machine capable of handling...
BASICare Microsystems, Inc.
Battery backup
Plans or kit to power computer for 25 or more minutes with 1K, 10 or more minutes with 16K.
R. H. Enterprises
Battery backup unit
Provides up to 30 minutes of power via D cell batteries. Connects between power supply and computer.
CSI Company
BB-1 Control Module
8 independent relays with LED status indicators and 8 TTL inputs with Schmitt trigger buffers. Single POKE to change/latch each...
Byte-Back Co
BB-68 Controller
8 independent relays with LED status indicators and 8 TTL inputs with Schmitt trigger buffers. Single POKE to change/latch each...
Byte-Back Co
BBU-1
Provides up to one hour of power via NiCd batteries. Connects between power supply and computer.
SyncWare Co.
BBU-2
Provides more than two hours of power via NiCd batteries. Includes built-in, heavy duty power supply, power indicators and power...
SyncWare Co.
Beeper, Clock, Switch Board
Timer/clock, beeper and switch input interface. The clock is a 15 bit stopwatch and uses 2 of the 16 bytes...
Micro Developments
Big Ears Speech Recognition
Speech recognition. Connects through I/O port. Microphone and cables included. Words are stored as voice patterns which the system learns...
William Stuart Systems
Big-Key Legends
Dry transfer key cap graphics in red and black; identical to those on the Sinclair keyboard. For use on full...
Daydesign
Biofeedback System
Conduct experiments safely at home. Complete instructions, plans and ideas for use. 2K.
Ron LeMon
Blank ROM Cartridge
Cartridge for ROMPAK ROMs.
ROMPAK
Bleeper System
Gives feedback for keyboard by causing each key press (except shift alone) to produce a distinctive BEEP. Makes the use...
Compusa Corporation
Blinking Cursor Module
Causes normal and syntax characters, plus various graphics, to blink.
Kaltek Calculator Technology
Blippo
Sound effects generator.
Zebra Systems, Inc.
Brainwave Control
Brain waves control computer to give 256 commands. Can control a programmed English vocabulary with print to screen, printer, or...
Rosetronix
Brother EP-20 Adapter
Schematics and information on electronic and mechanical principles of operation.
Jon Glazer
Buffered Bus Expansion Board
This motherboard provides four 44-pin card connectors, room for wire wrap and voltage regulator. Eight chips are needed, five for...
Computer Continuum
Bus Extender
ZX81/TS1000 bus extender.
Hale Software/EMSoft
Buss
Plans for inexpensive expansion system.
Synchronize
Buttonset
Overlay with moving keys. Fits over existing keyboard and is held in place by adhesive strips. Keys press the membrane...
Filesixty
Byte Back Keyboard
Upgraded keyboard with full-size space bar and two shift keys.
Byte-Back Co
CAI/ESF Mass Storage Device
The CAI/ESF (Exatron Stringy Floppy) used endless-loop tapes and a small operating system to perform many of the functions available...
CAI Instruments, Inc.
CAI/O Board
Main interface. RS232, 3 ports parallel IO, printer port, tape port, memory expansion port. Replaced “Widget”.
CAI Instruments, Inc.
CAI/P40 Printer
40-column thermal printer that prints all TS1000 and ZX81 alpha-numerics and graphics. Used with either a mini-interface ($20) or the...
CAI Instruments, Inc.
Car Comp
Accessory for the Timex/Sinclair that turns it into a traveling companion. The Car Comp is a rigid platform to which...
L & G Enterprises
CARDCO Numeric Keypad
Plugs into joystick port. Includes software that converts STICK values into numeric input. No modifications required; not for use with...
Cottage Technology
Cartridge Adaptor
Allows you to plug cartridge peripherals into the rear expansion bus of the TS 2068 computer. Unit includes a through...
John Mathewson
Cartridge Board
Printed circuit board that holds a ROM, RAM or EPROM chip. Use of the cartridge board is documented in the...
Gesso Products
Cartridge Board
Cartridge board that appears to support two EPROMs.
AERCO
Cassette Interface
Optional LED indicator.
Phoenix Engineering Systems
Cassette loading monitor
Digital VU meter. Hooks up in seconds outside the computer; helps ensure proper loading level.
Edson Electronics
Cassette output level setting
Schematic for precision setting of cassette output level.
Arnold J. Gold
Centronics Interface
Parallel printer interface.
Cobra Technology Limited
Centronics Interface
Interface for standard parallel printers. Manufactured by Indescomp.
Sinclair Place
Centronics Parallel Printer Interface
Expansion for the Compu-board system.
Compu-Pak
Centronics Printer Interface
Uses ports A and B of the I/O board. Printer commands and machine language programs are stored in an 8K...
Professional Electronics
Centronics Printer InterfaceResearch Service Labs
CGP-115 Driver and Interface
Connect Spectrum to Tandy CGP-115 four color printer/plotter. Scans screen horizontally and sends printer information to Tandy printer. Colors mapped...
Softest
Character Cartridge
ROM holding 3 character sets. Upper/lower case, graphics and math/electronics. Supports custom, user-defined character set.
Sinclair Applications
Chip Tester and Logic Monitor
Adapted to the TS 2068 from Build IC Tester: An Accessory For Your Commodore 64 in the May 1988 issue...
Zunk Custom Electronics
Chirper
Improves speed and accuracy of keyboard data entry. The sound varies from a buzzy-chirp to a click and depends on...
Audiograph Co.
Clean Line Power Supply Regulator
Pre-regulator conditions the incoming DC voltage from the ZX/TS power pack into the minimum required to operate the computer. Also...
H & H Electronics
ClearTouch
A thin transparent keyboard overlay that speeds input and improves accuracy. Lets you feel key positions, yet thin enough not...
ClearTouch
Cognivox
Speech recognition unit/response unit. Library of 32 words or short phrases. Can be trained to recognize voice commands. Requires 16K....
Voicetek
Color Board
Program each character square in one of 16 colors. Each character can be defined for high resolution graphics.
Haven Hardware
Color Graphics and Sound
Kit, with 16K RAM. Plugs into ST-50 buffered motherboard.
Sigma Technology
Color SIN 81
Video upgrade based on the Texas Instruments TMS9918A video display processor (VDP) designed by Daniel Roy. An article about the...
Compusa Corporation
Comlink I
RS-232 interface with terminal software in EPROM.
Andy Eckhard
Comp-Cooler
Power supply-computer interface. Solves most overheating problems.
G. Russell Electronics
Compact Keyboard
Full function keyboard in metal case. Two space keys, full space bar and numeric pad. Single-stroke keys for DELETE, STOP,...
Sinclair Place
Compact Keyboard
Full sized, uncased. No soldering required. Repeat key included.
Haven Hardware
Complete Keyboard Plans
Documentation packet that covers decoding a standard ASCII keyboard, decoding shift keys, reset, and repeat keys, and keyboard beeper.
Spectra Computer Products
Complete LOAD and SAVE Plans
Documentation packet that covers troubleshooting tips and plans for LOAD monitor and signal filtering.
Spectra Computer Products
Complete Memory Plans
Documentation packet that covers memory pack troubleshooting. Includes plans for constructing your own memory pack, EPROM reader and extending the...
Spectra Computer Products
Complete Video Plans
Documentation packet that covers video trouble shooting tips, UHF conversion, fine tuner for the RF modulator, direct and reverse video.
Spectra Computer Products
Compu-Board
Converts the TS 1000 into a complete home computer system. Applications include memory expansion, A/D D/A, wireless thermostat and security...
Compu-Pak
Compudex
Telephone dialing hardware/software add-on for the ZX81/TS1000/TS1500 which stores as many telephone numbers as you have room for and calls...
Compudex, Inc.
Contact Lens
Overlay for ZX81/TS1000 keyboard to help with finger positioning.
Warren Imports Group
Control Module
Power switch, ON indicator, load/save isolation switch with load level monitor and reset control. Isolation switch prevents feedback during program...
Dynamic Designs
Cook TransCoder I
Hardware and software package to allow for programming TS 1000 software on a TRS-80 Model I or III. Circuit board...
Cook Laboratories, Inc.
Corrected EPROM
EPROM to correct bugs in the 2068 ROM.
Jack Dohany
CP-68 Centronics Printer Interface
Connect to parallel (Centronics) printers. Print in either the printer’s native font or the TS 2068 display font.
AERCO
CP-ZX Centronics Printer Interface
Smart printer interface that can autoboot disk system, set RAMTOP and disable Memotech control characters in some software.
AERCO
CP/M Module
A RAM/ROM plug-in to extend the unit to support the CP/M operating system on the TS2068. An optional module can...
Timex Computer Corporation
CRAMIC-81
16K RAM pack using CMOS 6116 static RAM chips for permanent data retention. Data can be stored almost indefinitely and...
Cambridge Microelectronics
CRC Smart Soft Face
Interfaces printers to the Sinclair. Serial or parallel. Uses no RAM nor USR routines. Works with any printer, single key...
CRC Software
Cricket House KeyboardCricket House
Custom Programmed 2K ROMs
Service to store BASIC or machine language programs in EPROMs. For use with Professional Electronics’ printer interface board.
Professional Electronics
CX81 Graphics Module
Create your own unique character set. Up to 32 characters for creating game pieces, musical notation, foreign alphabet.
Zodex
Cyberanimation 1500 Kit
Vision kit is a linear 1×15 pixel array, electronics, LED video display and PC board. Includes sample programs to run...
Cyberanimation, Inc.
Data Acquisition Module
For general purpose measurement 14 channels of analog input; simple interface to Sinclair Basic. Individually software configured channels, allowing any...
Occam Research, Inc.
Data Communications Package
300 baud modem, RS-232 interface.
Intercomputer, Inc.
Data Conditioner II
Tape loading aid. Accurate volume control setting, easy tape cueing, use remote feature.
Communications System Laboratories
DCP Interspec Pack
8 bit, 8 channel A-D converter, 4 relays, 4 switch inputs, 8 bit input port and 8 bit output port....
DCP Microdevelopments Ltd.
DCP P/A/C Packs
A set of packs giving ZX81 memory, control and analog interfaces. The P-Pack plugs gives 4K of CMOS RAM plus...
DCP Microdevelopments Ltd.
DCP Speech Pack
Compact cased speech unit. Built-in vocabulary; POKE commands make it speak. Additional word packs plug in inside. Contains all letters...
DCP Microdevelopments Ltd.
Debugged EXROM
Ray Kingsley’s fixes to the Timex EXROM, available as a 2764 EPROM.
Sinware
Decoder
Fits inside the ZX80/ZX81 and remaps internal RAM to 8-9K or 9-10K. For use with external RAM pack.
John Oliger Co.
Delta Device
Non-volatile memory designed by Wilf Rigter. 32K RAM with Rigter Operating System (ROS). File-handling system in less than 600 bytes....
Weymil Corporation
Deluxe JoystickZebra Systems, Inc.
Designer’s Dream Interface
Provides connection for peripheral devices and RAM pack. Includes card edge connector, interface board, plated 50 pin strip header and...
RAm
DFh Mapped Universal I/O PortJohn Oliger Co.
Digital to Analog Converter
Fits onto input/output port to give one analog output (0 to 2.55 volts); space on board for two extra converters.
Redditch Electronics
Digitizing Hardware
Hardware for 2068 owners to create their own vocabularies. Plugs into ear socket. Spoken words are digitized and stored in...
Tad Painter
Digitizing Tablet
Vaporware announced in the Sync v3 n1 advertisement.
Memotech
Direct Reverse Video ModuleComputech
Direct Video
Complete plans and parts kit to convert ZX-81, TS 1000 and television.
Micro-Mod Specialties
Direct Video Kit
Provides direct composite out with option to invert video. Not compatible with units with UHF modulator. Steve Pence wrote an...
Random Access
Direct Video Modification
Allows connection of standard (composite video) computer monitor to Sinclair computers for noise-free display. Two transistor circuit.
AERCO
Direct video/inverter
Provides direct monitor connection and inverted signal for white-on-black.
Jim Houston Enterprises
Disassembler 4K ROM
2716/2732 EPROM compatible.
Z-Tron International
Disk Board A
Disk drive interface that used the WD1770 drive controller. Supported up to four disk drives.
John Oliger Co.
Disk Board B with NMI Save
DOS board for the Oliger system, with NMI save feature. JLO SAFE (Simple and Fast Extended) Disk Basic is supplied...
John Oliger Co.
DIY Keyboard
Full-size, 62-key keyboard with instructions for converting to work with Sinclair computers. Keyboard manufactured by Texas Instruments.
Synchronize
dk Keyboard
Cased keyboard with 52 keys, 12 of which are on the number pad. Case measures 15 x 9 x 2...
DK’tronics
Dock It
Software and hardware for programming EPROMs suitable for making dock cartridges.
Gesso Products
Double “H” Keyboard
Full-size, full-stroke, 53 key, fully assembled, gold contact keyboard for all Sinclair ZX80/ZX81, MicroAce, and TS 1000 computers. Full-length space...
Double H Electronics
Downsway 16K RAM Pack
Fully cased and compatible RAM pack.
Downsway Electronic Ltd
Downsway 64K MemoryDownsway Electronic Ltd
DROM
DROM stands for Development Read Only Memory. This module can have up to 8K of RAM, via plug-on 2K RAM...
BASICare Microsystems, Inc.
Dual Centronics Interface
Port-mapped expansion board using the Intel 8255 PIA chip. Provides two Centronics ports, one for output to a printer, the...
EPROM Services
Dual Joystick SystemRKL Systems
E-Z Key 40
Replacement flat keyboard with embossing around each switch and three-color legends and graphics. Plug in replacement for original keyboard.
E-Z Key
E-Z Key 44
44 key tactile feel keyboard. Includes all graphics and legends. 4 additional keys for edit, delete, quote, function.
E-Z Key
E-Z Key 60
Large 60 key tactile feel keyboard plugs into same connectors as the existing keyboard on your ZX81, TS1000, TS1500 or...
E-Z Key
Easy Z Heat Eliminators
Engineered heat transfer solution. No modification to interior of computer.
Sensible Technical Solutions
Easy Z Mount
Piggy back as many as 3 modules with no further loose mounting problems. Also allows for quick mounting or removal.
Sensible Technical Solutions
EC-11 Custom Enclosure
Hammond 11″ sloped case customized for use with the E-Z Key 60 keyboard. 11″ wide x 9″ deep x 3″...
E-Z Key
EC-14 Custom Enclosure
Hammond 14″ sloped case customized for use with the E-Z Key 60 keyboard. 14″ wide x 9″ deep x 3″...
E-Z Key
Econo Tech 16K RAM Pack
Budget model 16K RAM supplied without case, gold-plated contacts. Designed to prevent wobble.
EconoTech
Edge Connector
Many vendors sold ZX80/ZX81/TS 1000 compatible edge connectors in solder-tail and wire-wrap versions. The wire-wrap connector could be used with...
Synchronize
EMU-1 Spectrum Emulator
Spectrum ROM that fits in the cartridge slot.
Enter Lingua
EMU-2 Spectrum Emulator
Spectrum ROM that fits in the cartridge slot. Contains extra socket for another EPROM.
Enter Lingua
EPROM Board
Board containing ‘SCOPE‘ and ‘FFT‘ programs on four 2716 EPROMs in 8-16K memory space, on the Hunter board.
Computer Continuum
EPROM BurnerIntegrated Data Systems
EPROM Cartridge Board
This device would have been used by Timex and third-parties in developing cartridge software. It’s likely that fewer than 100...
Timex Computer Corporation
EPROM Cartridge Kit
Uncased board holds one 2716, 2732 or 2764, mapped 0-16K. Jumper selectable. Kit includes board, decoder chip, 28 pin socket,...
Cinagro Software
EPROM Cartridge Kit
Kit includes all parts necessary to build a plug in cartridge that will accept 2716, 2732, or 2764 EPROMs. Board...
Upstate Labs
EPROM Copier P-2
Programs 2716 EPROMs with data provided by a 2816A EEPROM or another 2716 EPROM. Ideal for low-cost permanent storage of...
Wisconsinc Electronics
EPROM Programmer
Interfaces via three parallel I/O ports on the I/O Unit. Programs 2716 EPROMs.
Wisconsinc Electronics
EPROM Programmer
Expansion for the Compu-board system.
Compu-Pak
EPROM Programmer
Programs EPROMs directly in the 8192-10239 region of the TS 1000 memory map. The bytes to be stored being POKEd...
Orme Electronics
EPROM Programmer
Store programs in EPROM. Module holds four 2716 EPROMs for 8K of ROM in 8K-16K region.
Synchronize
EPROM Programmer/Reader
Supports two 4K 2732 EPROMs in the 8-16K slot. Housed in slim plastic case with ribbon connector and expansion port...
MAV Microproducts
EPROM Reader/Programmer
Store Basic and machine code programs in 8-16K memory block.
Beacon Electronics
EPROM Store Demonstrator
EPROM demonstrators intended for use in stores as selling tools. EPROM contains a BASIC demonstration program that starts on power...
Timex Computer Corporation
EPROM-READ Card
Accepts 2K 2716 and 2516 EPROMS. Operates in the 8192-10239 section of the memory map. Fits between the computer and...
Orme Electronics
ESF Drive 2
Supplemental Exatron Stringy Floppy drive.
A&J Micro Drive
Expansion Board
4 or 6 slot expansion board for use with Oliger projects for the ZX81/TS 1000.
John Oliger Co.
Experimenter’s Universal I/O Port
Control and sense external devices using any TS computer. 8 bits parallel input, 8 bits latched output plus 2 handshaking...
Thomas B. Woods
Extender Card EPROM reader/programmer
Program 2716 and 2732 EPROMs. 16K.
Z-Tron International
F.I.Z. Floppy Disk Interface
Disk drive controller with routines on ROM plus 2K RAM buffer. True random access data files supported. Compusa marketed this...
Macronics
FD 81 Keyboard
Kit.
Fuller Micro Systems
FD System 42
Keyboard and case. Case measures 8″ x 14″ 2 1/2″. Sinclair fits inside, connects without soldering. Extra shift and newline...
Fuller Micro Systems
FD System Motherboard
Allows expansion and I/O within Fuller keyboard case.
Fuller Micro Systems
FD-68 Floppy Disk Interface
This floppy disk system for the TS2068 can control one to four 3″ to 8″ drives. Loads programs at 250k...
AERCO
FD-ZX Floppy Disk Interface
Supports 1-4 drives of any size, single/double density. Software driver in EPROM.
AERCO
FD-ZX1 Interface Board
Turn the Timex-Sinclair into an automated measurement, data acquisition and control instrument. Fully buffered address, data, and control buses for...
Group Technology Ltd
FD16K RAM
Memory expansion that fits inside the Fuller keyboard and requires the Fuller motherboard.
Fuller Micro Systems
FD64K RAM
Memory expansion that fits inside the Fuller keyboard and requires the Fuller motherboard.
Fuller Micro Systems
FDC-100 Floppy Disk System
Floppy disk controller with disk operating system in EPROM. The controller plugs into the edge connector of the computer, drawing...
Compusa Corporation
FDD 3 add-on disk drive
Add-on disk drive for the Zebra FDD 3 disk drive system.
Zebra Systems, Inc.
FDD 3 Disk Drive system
Four piece disk drive system designed for the TC 2068. Base system included disk controller, disk drive, system connector and...
Timex (TMX) Portugal
FDD 3000 Disk Drive system
Power supply, FDD controller and with two disk drives in a black metal case. Same intelligent controller as original FDD...
Timex (TMX) Portugal
FDD Serial Printer CableZebra Systems, Inc.
FDD-3000 Spectrum Mode Option
Option for those who wish to run Spectrum software with the FDD 3000. Allows you to LOAD, SAVE and RUN...
Zebra Systems, Inc.
Filtered Connector Plug
Filtered connector plug conditions speech signal for use with external amplifiers such as AUO1. Plugs between MIC and amp. Internal...
Tad Painter
Flexible ribbon connector
Extends ZX bus to prevents RAM pack wobble.
Kayde Electronic Systems Ltd.
Flexible ribbon connector
A flexible ribbon for connecting any RAM or expansion device. Prevents the usual system crashes caused by RAM pack movement.
Intercomputer, Inc.
Floppy Disc Controller
For Shugart compatible drives.
Audio Vision
Floppy Disk Interface
Actually the Macronics F.I.Z. DOS is in EPROM. Compatible with RAM packs. DOS commands include: INITIALIZE, DSAVE, DLOAD, NEWD, DIRECTORY,...
Compusa Corporation
Floppy Disk Interface
Controller for standard floppy disks. Stores 43K per disk. Manufactured by Indescomp.
Sinclair Place
Floppy Drive InterfaceResearch Service Labs
FootePrint
Cartridge dock interface. Compatible with print driver software for the AERCO/Oliger and Tasman B and C. Includes the card, ribbon...
Foote Software
Frequency Analysis ‘FFT’
Fast Fourier Transform on EPROM in 4K of Z80 code. 256 points of magnitude and phase data calculated in one...
Computer Continuum
Full animated graphics for ZX80
Kit, no screen flicker.
Comp Shop, Ltd.
Gaamworks
Game module with cartridge interface, sound and Atari-compatible joystick ports. Cartridges would support up to 8K ROM via 2716, 2732...
Brainchild Computer Works, Inc.
Game Changer Interface
Cross-connects the Atari 2600 VCS and TS1000, allowing either to take control of whole blocks of shared memory. The shared...
Huron Valley Research, Inc.
Games Player Joystick Interface
Kempston compatible features “freeze” and slow motion control. Requires a twister board.
DK’tronics
Gamesmate
Spectrum (Kempston) compatible joystick interface. Plugs into cartridge port.
G. Russell Electronics
Graphic Tablet for TS2068
KoalaPad, Zebra Graphics Interface, ZebraPainter software and manual. Graphics interface has two 6-pin DIN connectors for the graphics tablet or...
Zebra Systems, Inc.
Graphics Generator
Peripheral enabling alternate character sets to be used and printed either from EPROM or user-defined character sets in RAM. 4K...
EPROM Services
Grif Graf
Programmable graphics generator. Fits inside computer.
Rave Research
Hardwire RAM Pack
Kit and instructions to permanently connect RAM pack to computer.
Indiana Software Group Inc.
Hi Res Graphics Plans
Plans for building 256×192 addition for hi-res display.
G. Russell Electronics
High Resolution Graphics
256×192 graphics, 114 plot modes; mixed text and graphics including PRINT AT. User defined graphics. Modes include points and line...
Notting Dale Technology Centre
High Speed Interface
Connect the HS-1 interface to a spare TS1000 to create a computing system that is quick and responsive. Fast mode...
Interface Design
HL-1205 Power Supply
Switching power supply. Use with 12v battery for UPS.
Hurricane Electronics Lab
Hunter 8K Nonvolatile CMOS RAM/EPROM
Up to 8K RAM or EPROM; works with 16K RAM packs. Store your own system utilities or build a library...
Hunter Electronics
I/O Board
32 line I/O board. Ports mapped to 4 absolute locations. Port A has 8 LED indicators. Port B has 8...
EPROM Services
I/O Board
Designed for the Spectrum owner who wants to do I/O circuit design. 8 bit port; large prototyping area; description and...
ELCOMP Publishing, Inc.
I/O Expansion Port
Provides a buffered bus that decodes the address lines and inhibits the internal 1K RAM (and external 16K RAM) when...
Micro Developments
I/O Ports and EPROM Programmer Plans
Schematic, documentation and software listing for 24 line input/output port that can be used to program 2716, 2732 and 2764...
Upstate Labs
I/O Unit
Expansion module with 6 input/output ports (24 input and 24 output lines) and 4 sockets for 2K memories. Save USR...
Wisconsinc Electronics
IF/Firmware Card
Low-footprint card to replace original interface of Westridge/Timex 2050 modems. 26-pin header connects to modem and includes 8K EPROM socket....
Silicon Mountain Computers
Improved Heat Sink
Machined from aluminum alloy. 50% thicker and more than twice the surface area of the original part.
BASCO
Improved ROM for TS1000
Debugged/improved LPRINT, CLS, SCROLL, DIM and more. Full display file, SCROLL/CLS work properly, LPRINT small numbers (.0001), DIM very large...
Tom Bent
In-Line Load Monitor
Tape loading aid. Helps to LOAD prerecorded software from cassette.
M. C. Hoffman
In-Line Voltage Dropper
Lowers voltage provided to computer so it runs cooler.
M. C. Hoffman
Innovation 1001
Tactile overlay, raised keys, labeled in four colors. Overlays existing keyboard.
Innovation
Intercontroller
Fully programmable controller for home, office, lab and workshop with four power sockets. Turn on/off lights, motors, etc. Software programmable...
Intercomputer, Inc.
Interface RS-232
Packaged in a RAM enclosure. Would have required a twister and Spectrum ROM.
Timex (TMX) Portugal
Interface to the Real World
RS-232 interface and parallel input/output device.
Edward W. Loxterkamp
Internal 16K RAM Expansion
PC board and instructions. Instructions, $7.95.
Independence Research
Internal battery backed clock for QL
Uses lithium battery, good for far longer than ordinary batteries. Plugs in to 8049 socket, and 8049 is installed in...
Mechanical Affinity
Inverse Video Module
Permits normal black on white or inverse video on black. Solders inside case.
Haven Hardware
Inverse Video Module
Installs inside case. Normal or inverse composite video signal.
Sinclair Place
IOC24
Versatile interfacing board that included: 12 unbuffered TTL digital I/O lines 8 unbuffered analog inputs (0-5v) 8-bit analog to digital...
GCM Electronics, Inc.
Jigsaw 16K RAM
Can be used with Jigsaw 32K Plus to upgrade to 48K. LED power indicator.
Gladstone Electronics
Jigsaw 32K RAM
32K RAM operates in tandem with a 16K to provide up to 48K RAM. Compatible with the Data-Assette ZX99. LED...
Gladstone Electronics
Jigsaw 64K RAM
64K RAM extends usable memory to 56K. LED power indicator.
Gladstone Electronics
Jigsaw Executive Keyboard
Fully cased with 44 full stroke keys. Special features include a beep for every key, a repeat key, and a...
Data-assette
JoystickMicrocomputers Plus, Inc.
Joystick
Designed for use with Atto-Soft’s ZX-Man but includes examples to write your own programs.
Atto-Soft
Joystick
Requires no wiring and functions like arrow keys and zero on computer.
E-Z Key
Joystick
Atari-style joysticks and interface unit.
Midwich Computer Co., Ltd
Joystick
Required the Thurnall I/O board to interface to the computer.
Thurnall Electronics
Joystick Adaptor
Connect Atari compatible joystick to the ZX81/TS 1000. Plugs into back of computer; expansion connector for other peripherals. Instructions for...
Zebra Systems, Inc.
Joystick and Controller
Analog joysticks plug into controller board which fits expansion slot of ZX81 or Spectrum.
Midwich Computer Co., Ltd
Joystick Controller
Connects up to 4 Atari joysticks, full 8 direction movement.
Synchronize
Joystick for 8K ROM ZX80
Plans and parts to add a joystick to ZX80 with 8K ROM.
Ron Howard
Joystick for ZX81
Connect Atari joystick to ZX81. Access through Basic or machine code. Complete kit.
Chris Taraba
Joystick Instructions
Simple, illustrated instructions for connecting an Atari joystick.
Eric Beckett
Joystick Interface
Use two joysticks with ZX81 games. Includes instructions to program your own games and adapt existing games. Manufactured by Indescomp.
Sinclair Place
Joystick kit
Instructions and kit for connecting Atari joysticks.
Rayco
Joysticks
Analog joysticks for use with Mikro-Gen’s A/D Converter Board.
Mikro-Gen
Joysticks
Complete plans and a program for interfacing/testing Atari joysticks.
R. M. Norris
JRC Software Catalog
Tape-based product catalog with program demos.
JRC Software
Julian Clock KitKaltek Calculator Technology
KAYDE Keyboard
Fully cased fully sized keyboard for the TS1000 or ZX81. 40 full stroke keys with all legends printed in 2...
Kayde Electronic Systems Ltd.
KD-81 Keyboard
Full size keyboard conversion. 41 keys with full-size space bar. Allows touch typing. Same key layouts as Sinclair. Two color...
Suntronics
Kempston joystick port
Board/kit that plugs in to the Oliger expansion board. Fully decoded, can be used with the TS 1000.
John Oliger Co.
Keyboard
Full-size 40 key keyboard. Symbols marked in two colors.
Redditch Electronics
Keyboard
Instructions on how to add a full-size keyboard to a ZX80 or 81. Includes instructions to use extra keys for...
Synchronize
Keyboard
Complete plans.
Software House, The
Keyboard
Same key mechanism as used by IBM, Texas Instruments, Hewlett Packard, and others. Full travel, gold inlaid contacts. 40 keys...
Zebra Systems, Inc.
KeyboardToptronics Company
Keyboard Audio ToneTV Service of Cambridge Ltd
Keyboard beeper
Low power CMOS circuit. Beeps when key is pressed.
Burnett Electronics
Keyboard beeperMarex Electronics
Keyboard Beeper
Plugs into expansion port; beeps when a character is accepted by the computer’s keyboard input routine. Expansion connector allows other...
Zebra Systems, Inc.
Keyboard Bleeper
Provides missing feedback. Beep in SLOW and FAST modes. Fits inside case under keyboard or PCB; suits most full size...
Fulcrum Products
Keyboard BleeperKempston Micro Electronics
Keyboard Conversion Kit
Kit allows the use of either the full-size keyboard or the Sinclair/Timex keyboard. Full-size industrial grade keyboard with 62 keys,...
Jameco
Keyboard Conversion Plans
Construction/conversion plans with simple joystick interface.
JST Enterprises
Keyboard conversion plans
Plans to convert a full-size keyboard with shift-lock key. Includes parts list, source of materials, directions and working drawings for...
W S M Entertainment
Keyboard EnclosureFull Spectrum, The
Keyboard Interfaces KBD-1 and KBD-2
Keyboard interface; plugs into the edge connector so that you do not have to open your computer to plug a...
E-Z Key
Keyboard Kit
Full size keyboard with repeat key and single key rubout.
Haven Hardware
Keyboard Kit
73 full size keys with 46 automatically shifted functions, editing/game key row and special graphics section. Double-sided PC board, 3...
Research Application Products
Keyboard Mask
Adhesive overlay for the TS 1000 keyboard. Raised outline around each key aids in positioning. Key labeling is all white...
Jameco
Keyboard Overlay
Vinyl overlay similar to Kopak design but thinner.
Frog Software
Keyboard Sounder
Emits a short beep for keypresses. Models for ZX80 and ZX81.
D. Bruce Electronics
Keyboard System
47 key keyboard with interconnecting cable, interface card, wooden cabinet and keycap legends. Plugs into cartridge port of 2068. Includes...
John Mathewson
Keyboard Tactile Feedback Overlay
Clear vinyl keyboard overlay with holes for each key.
Powell Hargrave
Keyboard with complete parts and plansL.J.H. Enterprises
Keyed and Labeled ZX Connector
Female solder-tail connector with key to match the TS1000/ZX81. Custom label identifies each pin number and corresponding signal name.
Zebra Systems, Inc.
Keypad
Two different keypads available, matching double H keyboard. Both are assembled but unwired, so you can use them either for...
Double H Electronics
Keytops for QL
Use to replace broken or missing key or whole set. Not available directly from Sinclair; this was available from third-party...
Sinclair Research Ltd.
KLIK Keyboard
Keyboard attaches directly to the TS1000 or ZX81, replacing the existing membrane. Positive response from the keys. All legends marked...
Kempston Micro Electronics
KLIK-2
Automatic repeat for the KLIK keyboard.
Data-assette
Kolorworks
Texas Instruments TMS9918 video display processor (VDP) adaptor for the TS 1000. All of the features of the TMS9918, including:...
Brainchild Computer Works, Inc.
KOPAK Keyboard
Full-size space bar, additional ENTER and extra shift keys. Optional numeric keypad and aluminum case.
KOPAK Creations, Inc.
KP-1 Keyboard Plans
Step-by-step plans for converting to a full-size keyboard.
Quest Research Associates
Kradle
The Kradle was a keyboard and enclosure upgrade for the ZX-81 and TS 1000. It had 50 calculator-style keys (including...
K-2 Electronics
Kradle Communicator
An add-in expander for the Kradle, providing RS232 and printer/output ports, communication to modem or remote computer plus standard parallel...
K-2 Electronics
Kradle Manipulator
Parallel digital input/output (16 lines) expansion option for Kradle. Adaptable to parallel printer port.
K-2 Electronics
L-Monitor
Multipurpose tape loading aid assures LOADing. Features extremely sensitive, reliable microammeter. Output for earphone, amplifier, or duplicating.
L-Monitor
Larken Disk System
Floppy disk interface, LKDOS cartridge, operating manual and LKDOS utilities disk. Can support up to four 3″ to 5.25″ single-sided,...
LARKEN Electronics
LARKEN RAMdisk
Expands the 2068 with up to 256K of nonvolatile RAM. Includes LKDOS Extended BASIC cartridge and memory board that attaches...
LARKEN Electronics
Larken ZX81 Disk System
Floppy disk interface for ZX81/TS1000.
LARKEN Electronics
Light Pen
Light pen, manual, computer interface module, demonstration programs on cassette.
Zebra Systems, Inc.
Light Pen
Plot, draw, erase, modify, save. Produce high resolution illustrations with 16 pre-defined instructions. Requires twister board.
DK’tronics
Light Pen
Plug-on module with three modes: DRAW, ERASE, and CLEAR. Allows entering complex graphics by just touching the screen. Upper 90%...
Zodex
LINK a
A module in the BASICare Modular Expansion System.
BASICare Microsystems, Inc.
LKDOS/Extended BASIC Cartridge
Contains Larken DOS with 8K ROM and 8K RAM on the cartridge. Used to control Larken DSK-400 or other disk...
LARKEN Electronics
Loading Aid
Removes guesswork from adjusting cassette recorder volume. Optimum level attained when red and green LEDs flash in unison. Plugs between...
Fulcrum Products
Loading monitor
LED cassette loading monitor.
R. H. Enterprises
Loadstar
Calibrated distortion free tape loading amplifier for all tape machines. Triple LED displays for low, normal, overload. Connects between tape...
Cinevision System
M-16 Memory Module
Stackable with Sinclair RAM or other M-16 modules to 48K.
Byte-Back Co
M-48 Memory Module
48K RAM module.
Byte-Back Co
M-64 Memory Module
Low power, no extra power supply required. Area from 8-16K can be switched out in 2K increments to accommodate memory-mapped...
Byte-Back Co
M1* Adaptor
Small board to make RAM above 32K available for machine language. ULA plugs into this board, which corrects the M1...
Silicon Mountain Computers
MD-1 Modem
Includes RS-232 port.
Byte-Back Co
MD-2B Modem
Works with any amount of memory on the 1000; with 64K will store 60 screens. Terminal software included. Prints to...
Byte-Back Co
MD-68 Modem
300 baud. RS-232 port.
Byte-Back Co
MEMIC-81
Contains one or two 2K (6116) CMOS RAM chips. Memory is addressed into the ROM area from 8K-16K in the...
Cambridge Microelectronics
Memocalc
Spreadsheet analysis to assist with reports and financial forecasts. Performs complex number crunching routines with ease. Tables up to 7000...
Memotech
Memopak 16K
16K RAM unit expansion capabilities through its piggy back connection and is fully compatible with Timex or Memotech 16Ks to...
Memotech
Memopak 32K
The 32K Memopak could be combined with a 16K RAM for 48K RAM. It was initially incompatible with the 2040...
Memotech
Memopak 64KMemotech
Memopak Centronics I/F
Centronics parallel interface pack enables the Sinclair to use a wide range of compatible printers. The resident software in the...
Memotech
Memopak HRG (High Resolution Graphics)
Full programmable high resolution (192 x 248 pixels) graphics module. Enables “arcade game” style graphics through resident 2K EPROM, programmed...
Memotech
Memopak RS-232
Interface allows the Timex to connect to serial printers and peripherals. The interface has two main modes of operation: BASIC...
Memotech
Memory Access Monitor
Eight LEDs indicate which bank of memory the Z80 is accessing. Uses only one IC. Can be useful in debugging...
John Oliger Co.
Memory board with I/O
16K or 32K and two 8-bit LS TTL input ports and two 8-bit latching output ports.
Wisconsinc Electronics
Memotech Disk Drive
Vaporware announced in the Sync v3 n1 advertisement.
Memotech
Memotech Keyboard
High quality standard typewriter keyboard with TS1000 legends. The keyboard is cable connected to a buffered interface which is housed...
Memotech
Memotext
Brings commercial standards of text editing to the Sinclair. Text is arranged in 32 character lines for the screen with...
Memotech
Microdrives
Vendor promised Timex microdrives before learning the 2068 was not compatible with the Spectrum.
E. Arthur Brown Company
Millenia K Disc Drive
Disk drive system for the TS 2068 with SP-DOS. Features: Stores 800k on one disk Loads 32K in one second...
RAMEX International
Minimap
Memory mapping device to expand address space from 64K bytes to 1 megabyte. Organized into vertical 64K pages. Up to...
BASICare Microsystems, Inc.
MKIV KeyboardE. Arthur Brown Company
MKIV Modem
300 baud modem. Housed in a case similar to Memotech cases.
E. Arthur Brown Company
Modem
May have been a standard modem; CAI/O Board had RS-232.
CAI Instruments, Inc.
Morse Code kit
Two-board PCB set and software for transmitting and receiving Morse code. Split-screen display separates receive/transmit functions. Cliff Nunnery, NU4V, is...
Metro Technology
Motherboard
Plugs into the back of ZX81 or ZX80. Printer/RAM pack plugs onto back. Has two female connectors to accept expansion...
Redditch Electronics
Motherboard
Expansion board for use with other Thurnall modules. Required to connect more than one device to the I/O board; connect...
Thurnall Electronics
Motion Platform for ZX81 and TS1000
Program you computer to make the platform move in any direction. Battery powered.
Bingel Robotics
Mozart
Compose yourself: music for the Timex-Sinclair computer. A complete hardware/software package. Three voices, noise channel. Built-in speaker. Plugs into ZX81...
Trigon
Music Percussion Computer
This machine combined analog and digital technology and could be played in one of three ways: as a stand alone...
On-Site Energy Music Group
Music Synthesizer and I/O Port
Three independently programmable voices and noise generator (AY-3-8910). I/O is arranged as two 8-bit bidirectional ports.
William Stuart Systems
MW100 Printer
Plain paper, dot matrix printer that printed on 1 3/4 inch paper rolls. Three printing modes:
Mindware, Inc.
MX-16 16K RAM
Expansion plus power supply.
INSIGHT
MX-16 RAM
Expansion RAM pack.
PM Enterprises
MX-48 RAM
48K expansion memory; with power supply.
PM Enterprises
MZ512K
512K RAM expansion for the Sinclair QL featuring no wait-state memory and full through port.
Matthew Zenkar
Namal Super Talker
Speech synthesizer. 560 common word dictionary, built-in RAM.
Namal Associates
Network Communications Package
ASCII firmware, modem and modem cable. This with the CAI/O board allows the TS1000 to communicate with mini and mainframe...
CAI Instruments, Inc.
OmniEmu
Auto boot Spectrum ROM on 2068 cartridge. Switch to enable/disable Spectrum mode.
Enter Lingua
On-Off Toggle Switch for Audiograph Chirper
Silences the Audiograph chirper.
Audiograph Co.
On/Off switch
Kit with parts.
Indiana Software Group Inc.
On/Off Switch
Includes circuitry to improve reliability of loading software from cassette.
Bytes & Pieces
OS 64 Cartridge
OS-64 is a ROM that supports the Timex/Sinclair’s 64-column mode. It is fully compatible with 32 column commands and functions....
Zebra Systems, Inc.
Overvolt protection
Protect all ZX80/81 ICs if voltage regulator fails by crowbar and fusing.
Arnold J. Gold
Parallel 1000
Interface to Centronics parallel interface printers. Driver translates Timex/Sinclair code to 80 column ASCII and sends printer via USR calls...
Byte-Back Co
Parallel 2068
Interface to Centronics parallel interface printers. Driver software supports LPRINT and LLIST. High resolution screen copy program supports multiple printers.
Byte-Back Co
Parallel I/O port
Interface computer to the real world.
Haven Hardware
Parallel Printer Port
This project was detailed completely in Syntax Quarterly, issues 1 & 2. Port is memory mapped at location FFFFh and...
John Oliger Co.
Parallel User I/O
Sixteen input/output lines to drive lights, relays, motors.
Kempston Micro Electronics
PC8300 Timex ROM
Custom adaptation of the Timex/Sinclair 1000 ROM for the Lambda 8300 computer. Adapted by Fred Nachbaur, the replacement EPROM came...
Silicon Mountain Computers
PERICONa
General purpose, user-programmable 24 lines of input/output. Up to 4 PERICONa can be used together. Up to four can be...
BASICare Microsystems, Inc.
PERICONb
24 lines of heavy duty output to access and control the outside world. Lines are capable of operating relays or...
BASICare Microsystems, Inc.
PERICONc
Centronics printer interface. A module in the BASICare Modular Expansion System.
BASICare Microsystems, Inc.
Persona
The PERSONA is the base module of the BASICare Modular Expansion System, interfacing to other modules. It buffers all the...
BASICare Microsystems, Inc.
Phone Modem
Plans for building a modem.
Synchronize
PI2040 Printer Interface
Solves the interface problem of connecting the TS2040 printer to a TS1000 computer with Memotech or other non-Timex add-ons.
Compumentor
Plans for keyboard conversion with reverse videoL.J.H. Enterprises
Plans to build full size keyboardT. W. Vessels
Pluri-Forth
Pluri-Forth is both an operating system and a programming language, replacing the Sinclair ROM entirely. FORTH programs were compiled and...
Tree Systems of Grand Rapids
Plus + Pac
Modular expansion unit. Base unit (enclosure and expansion interface) was $49. Expansion modules included 64K RAM, color graphics (248×192 pixels),...
Plus + Pac Systems International
Poly Port
6 I/O ports useful for many applications. 3 ports can be used for vendor’s “Polyphonic System” musical synthesizer. Depending on...
Rave Research
Polyphonic System
Includes Poly Port and Synthi Soft. 2K.
Rave Research
Port-A-Sinc
Attache case with integrated battery back-up power supply.
Anderson Engineering
Power Line Control
Provides regulated DC power. Power switch with a visual indicator and push button system reset that allows convenient system reset...
H & H Electronics
Power Line Filter/Suppressor Module
Protects against pulsed, continuous and/or intermittent radio frequency interference which can cause malfunctions in electronic equipment. Also protects against high...
Hurricane Electronics Lab
Power Paw Power Function Unit
Plug-in unit, twice the size of its 9V rechargeable battery. Provides power/RESET switch, up to 15 minutes of battery back-up,...
Sync-Lair, The
Power Saver 1000
Battery back-up unit, rechargable batteries.
H & Z Electronics
Power Supply
Design and build your own supply to fit your needs. Includes how to estimate both present and future needs and...
Synchronize
Power Supply
9 volt, 1 amp power supply for ZX81/TS1000.
Integrated Data Systems
Power Supply
650 milliamp power supply with inline power switch.
Data-assette
Power Supply
Two filtered outputs. Output 1: 5 volts at 1.5 amps; output 2: adjustable from 6.5 to 15 volts at 1.5...
MacSwan-Packaging Co.
Power Supply Buffer
Battery-backed power supply buffer; supplies 9 volts for up to 30 minutes. Fits between computer and power supply, recharges automatically.
Cobra Technology Limited
Power Switch
Eliminates wear on power jack. 3.25 x 2 x 1 inch black case with heavy duty rocker switch.
K. Roberts
PrestoDigitizer
Digitizing tablet originally designed for the ZX80. User would have been able to write on the table and have the...
Innovision
Printer Interface
Serial and parallel printer interfaces that plug into the 2068 joystick ports.
Rheesware
Professional Keyboard
Full-size keyboard plugs into the ZX81/TS1000 circuit board. Comes with standard Sinclair legends on removable key tops, a full-size space...
Gladstone Electronics
Professional KeyboardFull Spectrum, The
Professional Keyboard
52 keys, outlets for MIC, EAR, TV, etc. Manufactured by Indescomp.
Sinclair Place
Professional Keyboard PlansSmuk Enterprises
Programmable Character Generator
Standard letters; inverse characters may be mixed or interchanged with 2 sets of programmable characters. 8×8 matrix. Written by 8...
Haven Hardware
Programmable Sound GeneratorFuller Micro Systems
PROM Burner Development System
Interface board for programming EPROMs. Includes two I/O ports, access to 8K of executable memory and tools for duplicating, revising...
RAm
Prototyping Board
Printed circuit board designed for prototyping circuits with the TS2068.
Zebra Systems, Inc.
Prototyping Board
Printed circuit board designed for prototyping circuits with the ZX81/TS1000.
Zebra Systems, Inc.
PSU 9v 2 amp
Mounts inside Fuller keyboard.
Fuller Micro Systems
PTX-I/O
Expandable 0 to 16 port input/output system.
Powertronix Electronics
QL case
Contains keys and bare motherboard. Not available directly from Sinclair; this was available from third-party vendors.
Sinclair Research Ltd.
QL Internal ROM Board
Allows you to put your favorite ROM version (JM , JS, JSU, MGUS, MGUK , etc.) on an EPROM. This...
Mechanical Affinity
QL keyboard membraneMechanical Affinity
QL Power Supply
Replacement power supply. Not available directly from Sinclair; this was available from third-party vendors.
Sinclair Research Ltd.
QS 16K RAM
Cased dynamic RAM expansion.
Quicksilva
QS CHRS Board
Character generator giving 128 separately programmable characters. 1K on board RAM. Enables creation and display of your own characters to...
Quicksilva
QS HI-RES Board
High resolution graphics board giving 256×192 pixels. 2K ROM, 6K RAM on board. Software select/deselect. Mixed text and graphics. Resident...
Quicksilva
QS Motherboard
Allows for connecting 16K RAM pack, QS Sound Board and another board.
Quicksilva
QS Sound Board
AY-3-8910 sound generator based sound synthesizer. Three voices, 5 octave range. Sinclair Place imported a version manufactured by Indescomp.
Quicksilva
QSave
LOAD/SAVE a full 16K in 29 seconds (16 times faster). QSAVE amplifier/filter unit plugs between recorder and computer. A data...
Personal Software Services
Rainbow plus Interface
Combines improved Spectrum ROM emulation plus a Spectrum compatible expansion connector all in one.
DAMCO Enterprises
RAM 08
Low cost memory expandable from 2K to 8K. Located in an address space not used by BASIC. Ideal for data...
BASICare Microsystems, Inc.
RAM 16
16K memory module. On-board address decoding permits simultaneous use of many RAM 16 modules in conjunction with Minimap. A module...
BASICare Microsystems, Inc.
RAM 64
Arranged in 4 blocks of 16K; all can be used under MINIMAP control. On board address decoding allows simultaneous use...
BASICare Microsystems, Inc.
RAM Adaptor Board
Adapts Sinclair RAM pack to fit inside Fuller case.
Fuller Micro Systems
RAM for TS2000
Announced before 2068 launched. Manufacturer assumed 2068 would be identical to Spectrum.
Computer Add-Ons
RAM Pack Anti-Wobble
Metal clamp that eliminates RAM pack wobble. It includes the capacity for printer and other equipment.
Stephen Adams
RAM/EPROM Option for ZX-G
32K RAM and four 2716 EPROMs. ZX-G required.
Southern Computer Systems
RAMPAK 16
Flat RAM module. 16K.
Micro Systems Development
RAMPORT
Integrated expansion system. Analog, digital I/O ports and 16K RAM expansion on one card.
Componedex Ltd.
RB-ZX ROM Board
Modular interface that maps a ROM to several locations in memory.
AERCO
RC-103 Analog Interface
Supports a variety of applications including LOAD signal conditioner, ohm meter, capacitance meter, signal conditioner, tachometer, thermometer and more.
Kaltek Calculator Technology
RD 8100 System
Modular interface system to permit real-time application of the ZX80/81. Connected by motherboard; 5 modules available. The RD 8100 is...
RD Laboratories
Real Time Clock
Clock module with battery back up. Logic signal output with LED status indicator can be used to control external devices...
Byte-Back Co
Real Time Clock
Clock with three year calender, battery backup to retain time and date. Board plugs into the cartridge port. Comes with...
Zunk Custom Electronics
Realtime Clock
Bare board or fully-assembled realtime clock module.
User Friendly Research
Remote Control
16 channel input/output. Wireless (infrared) transmitter/receiver option.
Audio Vision
Repeat Key ModuleSinclair Place
Repeating Key ModuleHaven Hardware
Report Generator
Data acquisition and control module with Centronics printer interface. Supports LPRINT, LLIST and COPY. CMOS real time clock calendar with...
Ener-Z
Reset ButtonFulcrum Products
Reset Control
Add system reset capability to permit quick recovery from crashes without powering down peripheral equipment. Control attaches to computer with...
Dynamic Designs
Reset switch
Kit with parts.
Indiana Software Group Inc.
Reverse Video Module
Convert to white letters on dark background.
Cottage Technology
RF shield for ZX80 or Microace
Kit to reduce TV intereference.
Outbound Engineering
RGB Interface Unit
Connect TS2068 to an RGB monitor. Plugs into rear expansion connector. Includes through-buss connector.
John Mathewson
Ribbon cable connector
Extends ZX bus to prevent RAM pack wobble.
Computer Continuum
RMP 2000
Robot motion platform controlled by ZX80, ZX81 or TS 1000. Dedicated microcomputer controls the two drive motor positions.
Bingel Robotics
ROM Board for TS1000 & ZX81
Automatically sets system RAMTOP, up to 64K, automatically boots AERCO DISC system on reset.
AERCO
ROM-81
Store useful routines and commonly used information in EPROM. Accepts either 2716 or 2732 EPROMs to allow up to 8K...
Cambridge Microelectronics
ROMFIX
ROMFIX upgrades the Russell Electronics ROMSWITCH to run all Spectrum programs. Installs under the EXROM.
G. Russell Electronics
ROMSWITCH
ROMSWITCH is a device that permits you to run both TS2068 and most Sinclair ZX SPECTRUM programs on your TS2068....
G. Russell Electronics
Rotronics Wafadrive
Manufactured by BSR, the Wafadrive used an improved version of the Exatron stringy floppy drive. The Wafadrive included two continuous...
DAMCO Enterprises
RS-232
Plans to build a RS-232 serial interface.
Synchronize
RS-232 for 2068
Connect serial devices to the TS 2068. Driver software supports LPRINT and LLIST.
Byte-Back Co
RS-232 Interface
Expansion for the Compu-board system.
Compu-Pak
RS-232 Module
Connect to RS232 printers and terminals. USR calls simulate LPRINT, LLIST and COPY commands.
Byte-Back Co
RS-68 RS-232 Interface
Compatible with most modems and printers. Two RS-232 interfaces; connect two devices at once. 300-19,200 baud.
AERCO
RS232/TTL Level Converter Plans
Construct an RS232/TTL level converter from inexpensive components. This converter, when used with the Cosmonics TTL Serial Input/Output Port Package,...
Cosmonics
RS232C Interface
Variable baud rate by software control. Upper and lower-case printout. Up to 120 characters per line with software control. Handshake...
Cobra Technology Limited
RX81 Robotics Interface
Input/output board with 8 latched outputs (capable of driving an LED, transistor switch or relay) and 8 inputs (switched or...
Zodex
RZ1 tape controller
Allows control of the SAVE and LOAD leads as well as the tape motor for one or two tape recorders....
Stephen Adams
SCLD ChipJohn McMichael
SCRAM Board
Improved version of Hunter board. Comes with battery-backup to make memory non-volatile. Developed with Larken Electronics to support Silicon Mountain’s...
Silicon Mountain Computers
SCRAM-Wich
SCRAM board with two 8K static RAM chips, mapped to the normal 16-32K RAM region. Top 8K can be switched...
Silicon Mountain Computers
ScreenMate
Light pen and interface with Atari joystick port.
Interface Innovations
Secondbase keyboard
The filesixty buttonset and Secondbase keyboard are the same mechanism. The filesixty has color keys with black printing. Its the...
Secondbase
Serial Input Port PlansCosmonics
Serial Interface
Interface for RS-232 serial devices. Manufactured by Indescomp.
Sinclair Place
Serial Output Port Kit
Plans and parts to build a serial output port using two integrated circuits. Plans also available separately.
Cosmonics
Serial Printer Firmware
EPROM is contained in the ASCII firmware. When used with the CAI/O board, allows the user to communicate with other...
CAI Instruments, Inc.
Serial Printer Interface
Output RS-232 ASCII through MIC port. Software is 280 bytes of relocatable machine code; provides printing of characters, strings, program...
Cinagro Software
Shift Lock Module
Enables one-finger keying via touch switch to suit user, on/off keyboard. Holds SHIFT active about one second, freeing one hand....
Kaltek Calculator Technology
Shifter board
Allows you to use the extra keys on a large keyboard.
Jim Houston Enterprises
SIN 16
Efficient design, uses less power. Gold-plated, heavy-duty connector prevents glitches.
Apropos Technology
Single Joystick SystemRKL Systems
Slow Mode for 4K ROM
Turn ZX80/MicroAce into a machine more powerful than the ZX81, e.g., run with either 4K or 8K ROMs.
Advanced Digital Innovations
Slow/Fast kit for ZX80 with 8K ROM
FAST and SLOW modes on ZX80 with 8K ROM. PCB with complete instructions and parts list. PCB will work with...
Computer Engineering Services (The Jarrett Company)
Smart Rabbit
Household robot with upgradable, transportable electronics and software to a full-size, man-rated domestic robot. Plug compatible with Timex/Sinclair.
Hobby Robot
SMC CPI-1 Printer Interface
Updated version of Tasman B printer interface with more decoding to improve compatibility with both TS 1000 and TS 2068...
Silicon Mountain Computers
Softbox
Expansion port contains 4 software selectable cartridge connections.
Intercomputer, Inc.
Softbox Cartridges
Solid state cartridges that plug directly onto the Softbox (up to 4 at a time) or onto the back of...
Intercomputer, Inc.
SONUS
Three-voice, AY-3-8910 sound-chip based module with stereo option. A module in the BASICare Modular Expansion System.
BASICare Microsystems, Inc.
Sound Booster
Plugs into rear port, amplifies BEEP and SOUND output. Has pass-through buss.
John Mathewson
Sound Unit
Programmable sound unit with built in loudspeaker, allow programmable generation of a whole range of rounds from music to special...
Thurnall Electronics
Sounder
Beeps when key is pressed. Fits inside the computer.
KML Incorporated
Souse
A mouse that acts like a joystick.
Zunk Custom Electronics
Spectrum B ROMs
On EPROM, bug corrected with additional character set.
Mechanical Affinity
Spectrum Emulator
This emulator consisted of a 32K EPROM that replaced the 16K ROM. The EPROM contained the 2068 operating system in...
Jack Dohany
Spectrum Emulator Cartridge
Plug-in cartridge with pull-up resistors. Housed in modified Timex cartridge case.
Zebra Systems, Inc.
Spectrum Hardware Adapter Interface
Lets you use Sinclair Spectrum micro drives/other Spectrum hardware on the TS 2068.
G. Russell Electronics
Spectrum Interface
This device was designed specifically for connecting the DISCIPLE disk system to the TS2068. It was a “twister” board that...
John Mathewson
Spectrum Joystick Interface
Fully decoded interface for use with Spectrum programs requiring a Kempston joystick interface. Designed to work with 9-pin Atari type...
John Mathewson
Spectrum ROMIntegrated Data Systems
Speech Synthesis Unlimited
Uses phonemes to build up words. Average of 6 bytes will store the phoneme codes for a spoken word. Self-contained,...
William Stuart Systems
Speech Synthesizer
Speech synth for ZX Spectrum. Announced before TS 2068 was launched.
Computer Add-Ons
Speech Synthesizer and Amplifier
Includes text to speech converter. Requires twister board.
DK’tronics
Speedload
Cartridge and flexible extension cable. Program in ROM speeds up load, promised to load a 5 minute program in 20...
Intercomputer, Inc.
Speedscreen
ROM for ROMport.
Mechanical Affinity
SPS
Nine volt, two amp power supply. Provides all power needed for expanded system operation.
Research in Speech Technology (R.I.S.T.) Inc.
Spyder Character Board
A 4K (2K populated) memory expansion that allows changing of the ZX81/TS 1000 character set in the region between 12...
Spyder Electronics
SRS1000 Speech Recognition System
Train your computer to obey your voice commands. Used a microphone and amplifier connected to the microphone jack to record...
Advanced Interface Designs
SRS2000 Speech Recognition System
Train your computer to obey your voice commands. Recognizes up to eight spoken words. Used a microphone and amplifier connected...
Advanced Interface Designs
ST-50 Buffered Motherboard
Expansion base for Sigma Technology modules.
Sigma Technology
STD Bus Interface
STD Bus interface with a Z-80 PIO to control mode switching of two operating systems on Port B. Port A...
Kenterprise Research, Inc.
STD Bus Interface
Converts the ZX bus to STD Bus. Allows for use of peripheral interface cards from numerous manufacturers. On-board memory expansion...
AERCO
Stepper Motor Interface for Robotics and Machine Control
Interface 2 small stepper motors (1 Amp max.) to a standard Centronics printer interface and make fully coordinated 2-axis moves....
AERCO
Strip down
Prevent RAM wobble.
Commonwealth Agency, The
Super ROM Board
Built-in printer interface, EPROM burner and autostart ROM.
Audio Vision
SUPER SIN64 64K RAM
8-16K range can switch in/out.
Apropos Technology
Surge Clamping Diodes
Prevent voltage overage.
Matthew Zenkar
Switchboard
Internally mounted Spectrum/TS 2068 ROM option, similar to ROMSwitch.
J. Keene Ltd
Sync Saver SVR-1
Battery backup power supply. Rechargeable ni-cad batteries.
Luxtron Inc
Sync Saver SVR-2
Battery back-up power supply; alkaline batteries.
Luxtron Inc
System Logic KBD-1 Keyboard
Incorporates a 58 key keyboard, 14 additional keys and a full space bar. All symbols are enlarged by 25%. Aluminum...
Synergistic Design
System Logic KBD-2 Keyboard
The System Logic KBD-2 incorporates a 58 key keyboard; 15 additional keys and a full space bar. All symbols are...
Synergistic Design
T.A.S. Fix
Device for the TS 2068 and Tasman parallel printer interface. Disables Tasman device to allow use of incompatible hardware and...
R & R Electronics
Tape Loading System
Eliminate the frustration of tape loading. LED indicators show high volume or low/noisy tape. Earphone plug lets you monitor tape...
Compusa Corporation
Tape Recorder Interface
Improves load signal level.
D. Bruce Electronics
Tasman Printer Interface
Available in Centronics and RS-232 versions. Supplied with 3′ cable and driver software.
Tasman Software
Teach Your ZX80/81 to Talk
Detailed plans for hardware, parts sources, and software to make your computer produce natural speech.
Harthun Engineering and Research
Telephone Dialer
Expansion for the Compu-board system.
Compu-Pak
Telesound 84
Enables any sound source such as the loudspeaker or sound effects from a home computer to be heard direct through...
Compusound
Test and Alignment Cassette
Helps align mono cassette recorder head for best results, check tape speed and path.
Hilderbay Ltd.
The Arcade Master
Sound module with three tone generators, 8 octave range, 3 channel mixer, noise source; uses AY-3-8910. Two TTL I/O ports...
Hurricane Electronics Lab
The Box
Tape load aid; includes VU meter and remote pause switch.
Sconzo & Sons
The Cooler
Pre-regulator. Output rated at 1.5 amps; input rated at 9-35 VDC.
Support Systems One
The Hilderbay Loading Aid
Simple device to determine proper volume setting for loading.
Hilderbay Ltd.
The Incremental 1.1
Fits inside computer; plugs in, no soldering; up to 16K in increments of 2K. Uses 6116 static RAM.
East London Robotics
The Last Cassette/16K Fix
Small modification reduces RAM pack noise at the signal source. Kit and instructions. 16K.
Cottage Technology
The Lip 16K RAM
“The LIP” locks on to prevent the wobbles.
Sinclair Place
The Parrot
The Parrot used the General Instruments SP0256 speech synthesizer chip, which used 64 allophones to generate speech. Supplied with software...
Research in Speech Technology (R.I.S.T.) Inc.
The Terminal
Complete (hardware and firmware) communications package. Consists of 2050 modem, modem interface/firmware card, and ZX-TERM*80 EPROM.
Silicon Mountain Computers
The Video Reverser
Inverts video signal to display white on black. Installs inside computer; option switch to select normal or inverse.
Sight & Sound Electronics
Three Channel Sound System
AY-3-8910-based sound synthesizer. Requires twister board.
DK’tronics
Timebox
Modular expansion system. Base system included metal cabinet, detachable keyboard, motherboard with four slots, power supply. Options included 32K and...
VAL Corporation
Timer/Counter/Music Board
Three programmable counters. Controlled in Basic. May be used as timer, counters, or frequency generators (including audio range).
Redditch Electronics
TMS 9918A Video Upgrade
Two board, extensive upgrade that integrates the TMS 9918A video display processor into the ZX81/TS1000. Provides: color multiple graphics resolutions,...
John Oliger Co.
Toolkit
Uses up to four 2K EPROMs. Address space after on-board ROM. Allows calling TOOLKIT-held routines with USR function. Several TOOLKIT...
BASICare Microsystems, Inc.
Touch-A-Matic
Vinyl overlay for Sinclair keyboard with punched holes to aid in data entry.
KOPAK Creations, Inc.
TS 1016 RAM pack
Timex’s version of the Sinclair ZX81 16K RAM pack for the Timex/Sinclair 1000. This, and the Sinclair unit, were famous...
Timex Computer Corporation
TS 1016S RAM Pack
Prototype RAM expansion module. Internal circuit board marked “TS-1032 REV A.” Has 16 AM9016EPC 16K x 1 bit RAM chips,...
Timex Computer Corporation
TS 1510 Command Cartridge Player
Cartridge adapter for the TS 1000 and TS 1500 computers. Includes reset switch. Loaded Timex Command Cartridges instantly on the...
Timex Computer Corporation
TS 2020 Cassette Recorder
The 2020 cassette recorder was one of several peripherals matched the 2068 in design. A variation was also sold by...
Timex Computer Corporation
TS 2040 Printer
The 2040 printed on 4.3″ wide thermal paper in 32 columns. All Timex computers could print individual lines (LPRINT), list...
Timex Computer Corporation
TS 2050 Modem
One of the most eagerly awaited accessories was the TS 2050 Telecommunications Modem. Timex announced a modem, scheduled for release...
Timex Computer Corporation
TS 2060 Bus Expansion Unit
The TS2060 Interface Unit provides the electronics, connectors, and firmware to adapt the TS2068 Computer to control: Outputs will also...
Timex Computer Corporation
TS 2065 Microdrive
The TS2065 Microdrive was to be Timex’s variant of the Sinclair ZX Microdrive. The Microdrive read and wrote to special...
Timex Computer Corporation
TS 2080 80 Column Printer
The TS2080 was a full-size printer the provided 80 columns of dot matrix output, including all the characters in the...
Timex Computer Corporation
TS 2090 Commandstick
The TS 2090 Commandstick had its origins in the Fairchild Channel F Jet-Stick Controller. The Fairchild Channel F was a...
Timex Computer Corporation
TS1000 Trackball
WICO trackball originally designed for use with the Apple II, which had analog joysticks. Came with WICO trackball and Apple...
Zebra Systems, Inc.
TS2068 Dock EPROM Boards
Can be used for TS2068 program on EPROM, configured for use as non-volatile memory (32K to 128K), or as RAM...
Mechanical Affinity
TS2068 Speech Synthesizer
Fully-decoded speech synthesizer that can be used to add speech to your existing programs or to include speech in your...
John Mathewson
TS2068 Trackball
WICO trackball controller, designed for the TI 99/4A. Modified by Zebra to be Atari-compatible.
Zebra Systems, Inc.
ts2068cart
This board allows many 28-pin EPROMs, EEPROMs and mask ROMs to be used in the cartridge slot of the Timex...
Mark J. Blair, NF6X
TSPlus
Expansion system for the ZX81/TS1000. Included full keyboard. Additional features included direct video, battery backup, loading filters, expanded memory and...
DO LOOPS Computer
TTL Serial Input/Output Port Package
Software and plans for building input and output ports which fit inside a ZX81 or TS1000. When used with an...
Cosmonics
Typex/81 Keyboard Overlay
Allows “touch typing” and improved game playing. Made of clear, self-adhesive vinyl with key-shaped rectangular holes for easy finger positioning...
Ganhart/EARTHings
UHF Modulator
Replaces the VHF (ch 2-3) modulator on the ZX81 circuit board. UHF is less sensitive to the interference radiated from...
Computer Continuum
UM-16 16K RAM Pack
“Ultimate memory” RAM pack. Battery backup, reset switch, PROM/ROM socket.
Byte-Back Co
UM-64 64K RAM Pack
64K RAM pack with additional features. 8-16K area selectable in 2K increments. EPROM socket for 2K/4K. Battery backup (6 AA...
Byte-Back Co
UPS-1
Battery-powered backup system. Power supply plugs into module, computer is powered from module. Activated by drop in voltage from power...
UPSystems
UPS-2
Battery-powered backup system. Power supply plugs into module, computer is powered from module. Activated by drop in voltage from power...
UPSystems
Userfont
User defined characters for use with DROM or RAM 08. Define a set of 128 characters. Characters can be stored...
BASICare Microsystems, Inc.
Video Amplifier Unit
Produces composite video signal for monitor.
D. Bruce Electronics
Video Inverter KitBurnett Electronics
Video Monitor Output
Converts TS 1000 to standard monitor signal.
Cottage Technology
Video Upgrade Board
Flicker-free display. 8K ROM required. The SLOW mode upgrade was a small double-sided circuit board that had to be soldered...
Comp Shop, Ltd.
Visi-Load Tape Load Monitor
Three step LED meter that monitors tape loading level with just a glance. Plugs inline between the computer and the...
H & H Electronics
VOTEM
The VOTEM was a hardware/software package that could measure, display and record real world analog signals via the cassette input....
Down East Computers
Vpp Power Supply
This small single sided board provides 4.4 volts, 21 volts, and 25 volts DC for use with any programmer offered...
John Oliger Co.
Vu-Load
Monitors tape output level; gives a positive SAVE induction; detects blank tape without disconnecting cassette wires.
L & G Enterprises
Walnut case for keyboardW S M Entertainment
WC2050 Modem Board
Untested and uncased modem board.
Zebra Systems, Inc.
WC2050-to-RS232 Kit
Complete kit consisting of small printed circuit board, 3 ICs, DB9 connector and instructions. Turns WC2050 into true RS232.
Zebra Systems, Inc.
WC2050-to-RS232 PC Board
PC board and instructions to turn WC2050 into true RS232 interface.
Zebra Systems, Inc.
Weather Station
Complete weather station with custom hardware. Features include rain gauge with 1/10 inch resolution, wind speed, wind direction, barometric pressure,...
Zunk Custom Electronics
Westridge 2050 Modem
The Westridge Communications 2050 modem allows you to communicate through your telephone with other computers and information sources. With this...
Westridge Communications
Widget
Interface board allows ZX80 to communicate through serial (RS232) port and parallel TTL input and output ports.
CAI Instruments, Inc.
WIDGIPRINT Printer
32 column thermal printer; prints on 3.2″ wide paper. Supports Sinclair BASIC printing commands and screen dump.
CAI Instruments, Inc.
WIDGITAPE
Standard cassette recorder modified for computer control. Offers file directory, read/write from programs. Uses endless loop tapes.
CAI Instruments, Inc.
Winky Board
Passive filter that plugged into the cassette tape recorder to produce easier tape loading. Supported other functions such as a...
G. Russell Electronics
Winky Board 2
Tape interface that filters noise when saving for clean, easy loading tapes. Duplicate any cassette —even normally unsavable cassettes. Save...
G. Russell Electronics
Winky Board 2000
The Winky Board 2000 brought the same features of the Winky Board to TS 2068 users. It provided visual feedback...
G. Russell Electronics
Wired keyboard, complete with plansL.J.H. Enterprises
Wireless Digital Thermostat
Expansion for the Compu-board system.
Compu-Pak
WITWATT 1000
Battery back-up uninterruptible power supply. Up to 7 hours operation, 4 hours with 16K.
WT Associates
X-1 Home Robot Kit
Moves at speed of slow walk; on-board computer control by TS 1000. Hearing sense, human-approaching detection and alarm. Obstacle sensing,...
Robot Shack
Z-Clock
The Z-Clock’s built-in battery back-up feature lets you keep track of time even when your computer is turned off. When...
Zebra Systems, Inc.
Z-DUBBER
The Z-DUBBER is an interface between the Sinclair computer and its cassette recorder which allowed even the most difficult cassette...
Bytesize Micro Technology
Z-Link
This “twister” board converts the TS2068 expansion bus to the ZX Spectrum bus. Available assembled or as a kit.
Z-SI/O RS-232 Interface
Serial interface compatible with the TS 2050/WC 2050 modem. Includes 25-pin RS-232 connector. Uses Intel 8251 USART, the same chip...
Ed Grey Enterprises
Z-Stick
Z-Stick is a joystick interface for use with Spectrum game software on the TS2068. Z-Stick is Kempston-compatible. It also includes...
Zebra Systems, Inc.
Z-Stick Plus
Z-Stick plus Spectrum emulator ROM.
Zebra Systems, Inc.
ZAD: Zebra Analog Digital Interface
8-channel analog-to-digital interface for ZX81, TS1000, TS1500, TS2068. Manual includes sample applications and I/O software. 8-bit resolution, 0-5 volt scale...
Zebra Systems, Inc.
Zebra-Talker 1000
Unlimited vocabulary voice synthesizer uses the Votrax SC-01 phoneme synthesizer with 4 programmable pitch levels and automatic inflection. It produces...
Zebra Systems, Inc.
Zebra-Talker 2068
Unlimited vocabulary voice synthesizer uses the Votrax SC-01 phoneme synthesizer with 4 programmable pitch levels and automatic inflection. It produces...
Zebra Systems, Inc.
ZON X-81
Self-contained sound unit; uses AY-3-8910 3 channel sound chip. Full instructions and programs supplied.
BI-PAK Semiconductors
ZT21000
Expansion unit for ZX81/TS 1000. Promised 64-key auto-repeat big keyboard, 15 colors, 32K RAM onboard, 3 kinds of sound, 33...
Proprietary International
ZX Joystick
Full details on adding a joystick including fire button.
Micro Da et Fils
ZX Micro Amplifier
Etched and drilled circuit board.
Ron LeMon
ZX Printer
Designed exclusively for use with the ZX81 (and ZX80 with 8K BASIC ROM), the printer offers full alphanumerics and highly...
Sinclair Research Ltd.
ZX-21 Metered Cassette Interface
Cassette loading interface with VU meter. Reduce program load errors to a minimum by pre-setting your tape recorder to the...
Data-assette
ZX-22 Powered Cassette Interface
Power driven cassette loading interface. This unit uses the power pack to test audio level and gives a red or...
Data-assette
ZX-98 Parallel and Serial Interface
Parallel and serial interface (Centronics printer and RS-232) on the same board. Supports LLIST, LPRINT and COPY; communicates at up...
Data-assette
ZX-99 Tape Control
Automatic tape control (up to 4 units) and RS-232C printer interface. Built-in USR commands provide program control over the cassette...
Data-assette
ZX-G Expansion Unit
High resolution hardware unit with 48K RAM. Allow for creating memory-mapped images at 256×192 pixels. Graphics can be drawn, moved,...
Southern Computer Systems
ZX-GR Expansion Unit
High resolution hardware unit with 64K RAM (56K usable). Create memory-mapped images at 256×192 pixels. Graphics can be drawn, moved,...
Minny Electronic Inc
ZX-Panda
Contoured case fits snugly against the rear of the computer. LED power indicator. Expandable to 32K with plug-in module that...
Data-assette
ZX-Panda Expansion Module
Plug-in module for 16K Panda, extending the memory to 32K.
Data-assette
ZX/TS Touch Tab Overlay
Self-adhesive, black plastic overlay for positive key entry.
L-P Overlays
ZX80 ROM switch
Use your 4K or 8K software at the flick of a switch. Optional add-ons include keyboard beeper and cassette load...
Marex Electronics
ZX80/1 User Port
Small board allowing 8 independent input channels and 8 output channels, directly controlled from Basic or machine code.
Technomatic
ZX81 2K upgrade
Kit including instructions and IC socket.
Micro Basics
ZX81 2K Upgrade Kit
Double on-board memory to 2K.
J. Balogh
ZX81 High Resolution Graphics Pack
Fully programmable 256 x 192 pixel high-resolution display. Hi-Res-Basic monitor in 2K EPROM includes PAGE, PRINT, PLOT, (inc. LINE), SCROLL,...
Digital Integration
ZX81 Improved Heatsink
Prevents system crashes caused by overheating voltage regulator.
B. Sanzone
ZX81 Key-Top Symbols in 3 Colors
Vinyl stickers for standard keycaps, printed in three colors (red, blue and black).
MULE Electronics
ZX81 Keyboard
Full size 43 key keyboard with single key selection of Function, Shift Lock and Graphic modes. 2 LED mode indicators....
RAMEX International
ZX81 Parallel Input/Output Board
16 user-programmable lines; fully TTL compatible.
Andrew Developments
ZX81 Video Inverter
Circuit to invert video signal (white on black); fits inside computer. Switch to select normal or inverted video.
D. Fritsch
ZX81 Workstation
Stand that holds ZX81, provides an angled stand for the TV, conceals cassette leads and power supply. Includes power switch.
Jim Griner
ZXPANDER
Connect three expansion modules to the TS 1000. Flexible ribbon cable.
User Friendly Research
ZXPS/1
Heavy duty power supply designed for the ZX81 or TS1000. Fully regulated, rated at 1.5 to 2 amps. Made to...
Support Systems One
ZXTALKER
Unlimited vocabulary, adjustable pitch, amp and speaker included. Bare board and assembled versions.
User Friendly Research

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