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The Timex Sinclair 1000 is a useful learning tool and a calculating device. It is a low cost alternative for simple applications.article, orig pub: 10.27.20, updated: 06.20.25

If you get the chance, look inside an IBM PC. You’ll see acres of board covered with countless chips, resistors, capacitors and the like. It all looks very mysterious and impressive. Instead of staring open-mouthed in awe and dreaming wistfully of the day you own one, comfort yourself with the knowledge that your seemingly lowly…article, orig pub: 10.27.20, updated: 06.20.25

The battle for supremacy among very-low-cost microcomputers heats up as Texas Instruments' 99/2 goes head to head with the Timex Sinclair 1000; and the TS2000 and Mattel's Aquarius square off against the Commodore VIC-20 and the TI 99/4A.article, orig pub: 10.27.20, updated: 06.20.25

Tired of trying to achieve a reasonable typing speed on the ZX-81 or T/S 1000 keyboard? Forget the idea, give up, no way Jose! To get real action from your little machine, treat it to a surplus, full size keyboard. It’s easier than you think! A good first step, especially for the non-technician, is to…article, orig pub: 07.08.23, updated: 06.20.25

Clever hardvare construction, both mechanical end electronic, and a solid comprehension of both 6502 (the ATARI 2600's CPU) and Z80 (TIMEX) programming are combined to produce the very powerful "Came Changer Interface".article, orig pub: 09.13.22, updated: 06.20.25

Tutorial on “how to get started”, necessary equipment and software, Timex Sinclair BBS phone numbers and info about each one. Includes the QL. Table of Contentsbook, orig pub: 09.08.20, updated: 03.20.25

Full subtitle: Basic Programming on Personal Computers by Apple, Atari, Commodore, Radio Shack, Texas Instruments, Timex Sinclair.book, orig pub: 04.05.20, updated: 02.06.25

This is a book for people who want to know how the Timex ticks. It will guide you, even if you have no knowledge of electronics, to an understanding of what is going on inside the case of your computer. The book is in two sections; the first deals with the fundamental principles behind computer…book, orig pub: 04.05.20, updated: 02.01.25

Sinclair Research was the most recognizable of a series of names for a company Clive Sinclair started to produce his many inventions. Sinclair Research designed, marketed and sold the MK-14, ZX80, ZX81, ZX Spectrum, QL and a variety of other products.company, orig pub: 06.19.19, updated: 04.15.25

While the Timex Corporation is best known for its watches, it also produced a number of other products since its inception as a clock company in the mid-1800s. During World War II, the company produced fuse timers for defense products, continuing through the 1950s and the Korean war. After the Korean war ended, Timex expanded…company, orig pub: 06.19.19, updated: 04.15.25

This program creates a limited capacity message BBS using a 2068 & 2050 modem.computer_media, orig pub: 06.14.25, updated: 06.14.25

Short program to demonstrate the use of LDIR to move the contents of the 2068 display file to another location in memory and back.computer_media, orig pub: 06.14.25, updated: 06.14.25

Input the data points of any waveform (assumed repetitive) and it computes the Fourier transform.computer_media, orig pub: 07.31.23, updated: 05.31.25

A machine language port of the classic Tetris.computer_media, orig pub: 05.31.25, updated: 05.31.25

How long will you wait to open your parachute? Can you land on a moving target?computer_media, orig pub: 02.27.25, updated: 03.09.25

KRADLE eliminates the major deficiencies of your Timex / Sinclair computer with a full-sized 50 key keyboard, 64K bytes of RAM, a cassette read enhancer, a joystick interface, and other good things in a compact metal case that also holds your fully assembled computer. KRADLE installs easily and requires no computer disassembly. Its low-power design…document, orig pub: 04.02.25, updated: 06.20.25

1.0 Scope This product specification describes the TS2060 Interface Unit, drives, and associated software. The functional, physical, electrical, and environmental characteristics are specified. A description of the operation of the TS2068 system with this unit is included. 2.0 Applicable Documents 3.0 Product Overview The TS2060 Interface Unit provides the electronics, connectors, and firmware to adapt…document, orig pub: 12.26.23, updated: 03.19.25

Fourth annual event. Held at the Hara Arena in Dayton, Ohio on August 28th and 29th. Tim Swenson hosted the first of several after-fest BBQs at his house in Dayton this year. Several of the attendees appear in the photos below.event, orig pub: 03.30.23, updated: 02.24.24

Organized by Tim Swenson, the West Coast Sinclair Show was held in Union City, CA, on 5 June 1999, one week after the East Coast Sinclair Show. Vendors The key visitor to the show was the renowned author Stan Kelly-Bootle, writer of many computer books, including the “Devil’s DP Dictionary”, and the holder of the…event, orig pub: 07.04.21, updated: 07.10.23

Two day fair in Canada.event, orig pub: 07.04.21, updated: 07.10.23

User Groups Vendorsevent, orig pub: 02.14.23, updated: 07.10.23

User Groups Vendorsevent, orig pub: 02.25.23, updated: 07.10.23

Actively published e-zine, produced with open source software.periodical, orig pub: 11.13.21, updated: 06.02.25

Newsletter of the Clackamas County Area Timex Sinclair Users Group.periodical, orig pub: 12.11.19, updated: 02.09.25

Published by Timothy Swenson. Available online.periodical, orig pub: 10.28.20, updated: 02.01.25

Newsletter of the (Ottawa-Hull) Timex-Sinclair User Group.periodical, orig pub: 06.13.21, updated: 02.01.25

Quarterly published by Tom Woods. Provided updates and more to owners of ZX Pro/File databasesperiodical, orig pub: 06.05.22, updated: 01.22.25

Cased keyboard with 52 keys, 12 of which are on the number pad. Case measures 15 x 9 x 2 1/2″. Computer fits inside (removed from original case). Comes with motherboard to attach RAM and extend expansion bus to rear edge of case.product, orig pub: 11.30.19, updated: 05.03.25

EPROM demonstrators intended for use in stores as selling tools. EPROM contains a BASIC demonstration program that starts on power up. It includes graphics and interactive examples of what the computer could do. A description of the kiosk retailers could purchase that used this demonstrator is in the Timex Price List 1983. The E. Arthur…product, orig pub: 12.13.20, updated: 04.18.25

Carrying cases custom molded for TIMEX Corporation. They resemble small attache cases, approximately 13 1/2″ x 10″ x 3 1/2″, have a black leather-like texture, distinctive Timex/Sinclair logo, and feature small fold—away carrying handles. Each case has seven individual compartments for the following items: Only 2,000 were produced.product, orig pub: 01.20.20, updated: 04.01.25

Displays and prints disassembled listings or hexadecimal dumps. Disassembles full instruction set using standard Zilog mnemonics. Memory examine, search and modify. LOAD and STOP any program for disassembly or backup. 16K.product, orig pub: 11.22.20, updated: 03.30.25

The Kradle was a keyboard and enclosure upgrade for the ZX-81 and TS 1000. It had 50 calculator-style keys (including a full-size space bar and two shift keys), 64K of RAM and  circuitry to improve tape load/save. The Kradle allowed users to copy the ROM to RAM and then turn the ROM off. Unlike some…product, orig pub: 11.30.19, updated: 03.30.25

This informal group has twice a month meetings online (via Zoom). Like in-person user group meetings, we have guests, talk about our projects and a wide array of computing topics. This group has its origins in the Yahoo TS 2068 Group, which migrated to groups.io when Yahoo Groups shut down. Join Our Email List Sign…usergroup, orig pub: 04.21.23, updated: 06.12.25

Contact: Robert Pearsallusergroup, orig pub: 02.01.20, updated: 05.18.25

In 1988, at the Sunstate Timex/Sinclair Winterfest, a group of enthusiasts proposed a nation-wide user’s group. The name of the group, Sinclair Northamerica Users Group (SNUG), made it clear it intended to include all users in Canada, Mexico and the United States. Mel Nathanson and Mary Lynn Johnson were the initial contacts. The group had…usergroup, orig pub: 06.17.20, updated: 04.07.25

Users living in the area around Tampa Bay. Also known as Timex and Sinclair Bay Area Microcomputer Users Group. Formerly known as SAM BAM (Sinclair and MicroAce Bay Area Microcomputer Users). President: Mel NathansonSecretary: Will BeckerTreasurer: John CushmanEditors: Will Becker, Warren Reed Newsletter: Keyboardsusergroup, orig pub: 10.19.20, updated: 03.29.25

Contact: Peter Wolcott Name changed to Timex/Sinclair Users Group of Kansas City in 1984. Newsletter: Computer Users Group Timex Sinclair 1000 & ZX80/81 Newsletterusergroup, orig pub: 02.01.20, updated: 03.29.25

We discussed the original ZX81 manual in this meeting's "Book Nook" and talked about the coordination for VCF Midwest.video, orig pub: 06.12.25, updated: 06.12.25

We welcomed a new member, talked about AI-written theme songs, a recent reunion of Timex Portugal employees, discussed the 2068 user manual and Ryan gave an overview of building recursive functions with DEF FN.video, orig pub: 05.24.25, updated: 05.24.25

Jeff gave us an overview of the TS 2060 hardware design and features. We discussed the design of the enclosure and potential pricing. And we talked a bit about VCF Midwest.video, orig pub: 05.09.25, updated: 05.09.25

Our meeting included introductions from four new-to-the-Zoom meeting members, as well as updates on Greg Bennett's Wordle program and the TS 2060 project.video, orig pub: 05.09.25, updated: 05.09.25

Tim Swenson talked his ongoing work with ZX BASIC (also known as Boriel Basic). He mentioned that the last significant hurdle involved the load and save functionality. Tim and Gustavo are collaborating to finish adapting ZX BASIC to handle the differences between the ZX Spectrum and TS 2068. Tim also discussed his efforts to catalog…video, orig pub: 04.04.25, updated: 04.04.25