What’s New?

Some of you may remember that a LONG time ago, I said I wanted to offer a simple parallel port and use it as the basis of a series of programs designed to show computer hobbyists the what’s, why’s and wherefore’s of “Programming for Ports”. My plan was (and still is) to provide many interesting…article, orig pub: 01.28.24, updated: 10.08.25

Product annoucement for VOTEM interface board from Down East Computers.article, orig pub: 10.27.20, updated: 10.07.25

TS1000 plus peripherals can make life easier and less expensive for artificial kidney patients and US taxpayers. Artificial kidneys used by dialysis patients cost $20-50 each and patients can use each only once. Each kidney patient must dialyze, using a new kidney, three times a week. Medicare, through our tax dollars, bears 80% of this…article, orig pub: 10.27.20, updated: 10.07.25

With this issue, we start a “mini-series” on improving cassette reliability. I’m sure you’ll agree that unreliable LOADs are perhaps one of the most frustrating aspects of personal computing. With a little knowledge about the SAVE/LOAD process, we can take steps to save ourselves a lot of grief. We’ll start the series with a discussion…article, orig pub: 08.01.25, updated: 10.07.25

Here are a couple articles that introduce you to control applications for the T/S computers (ZX81, TS1000, TS1500) with a minimum of effort and (best of all) at reasonable cost. Before we control something with a computer, we usually need some way of getting information back to the computer; ie, to control an oven, the…article, orig pub: 08.01.25, updated: 10.07.25

Ring bound guide to Who’s Who at Sinclair was given to staff at the company. It gives profiles on the key staff complete with pictures. It was only available to staff.book, orig pub: 08.05.20, updated: 08.07.25

Complete graphics course for the TS/ZX computers. Chapters on the Memotech High Resolution Graphics module. Topics: animation, 3-D plotting, diagonal scrolling, writing and dissecting uneditable programs, machine code short cuts, and more. Program listings.book, orig pub: 08.05.20, updated: 07.31.25

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

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: 10.01.25

On-Site was a distributor for music equipment, especially electronic music products from the U.K.company, orig pub: 09.25.25, updated: 09.25.25

Incorporated in February 1983, and founded by Stewart Newfeld, Zebra Systems developed products for the Timex/Sinclair 1000 and 2068 computers. Newfeld quit a job as plant manager of a manufacturing company to start Zebra Systems, Inc. Newfeld designed a keyboard-beeper, joystick adapter, A/D converter, and a speech-synthesizer for the TS1000, TS1500 and TS2068. He marketed…company, orig pub: 06.19.19, updated: 09.24.25

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. US Employeescompany, orig pub: 06.19.19, updated: 08.07.25

Cute dot-matrix looking clock.computer_media, orig pub: 08.04.24, updated: 10.06.25

Program to copy Profile 2068 to non-volatile RAM in the cartridge slot. Type LOAD “” and follow prompts. Contents:computer_media, orig pub: 07.11.23, updated: 10.06.25

Machine language information storage and retrieval database for the 2068, configured specifically to run as a cartridge.computer_media, orig pub: 08.13.23, updated: 10.06.25

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

Newsletter of Dallas/Fort Worth area user groups.periodical, orig pub: 05.27.23, updated: 07.24.25

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

Machine language information storage and retrieval database for the 2068. Later available as a DOCK cartridge with more memory for data. Update July 1991: Using Tom Woods’ 117-byte printer driver from his ProFile 2068 as an example, first load in the program, then make a save of just this block of code by using SAVE…product, orig pub: 11.30.19, updated: 10.08.25

Household robot with upgradable, transportable electronics and software to a full-size, man-rated domestic robot. Plug compatible with Timex/Sinclair.product, orig pub: 11.30.19, updated: 10.06.25

22 new commands for your TS1000. Advanced screen utilities make your ZX81 look more like a monochrome 2068. Includes READ, DATA, RESTORE, FILL MOVE, LEFT$, MID$, RIGHT$. IN and OUT commands give you Basic control of I/O mapped peripherals which were previously accessed only in machine code. Extended Basic does not require the use of…product, orig pub: 11.30.19, updated: 10.03.25

Kit allows the use of either the full-size keyboard or the Sinclair/Timex keyboard. Full-size industrial grade keyboard with 62 keys, 2 p.c. boards, 18″ ribbon cable, DIP socket and 4 rubber feet. The keyboard conversion kit can be mounted in DTE-AK enclosure. A label representing the ZX81/1000 keyboard layout is placed on the enclosure.product, orig pub: 11.30.19, updated: 10.03.25

Database, holds 400 records of 30 characters, with variable item length, search, and delete. 16kproduct, orig pub: 03.20.25, updated: 09.30.25

President: Chuck DawsonVice-President: Frank BouldinSecretary: Fred StocktonTreasurer: Ellis Saundersusergroup, orig pub: 02.01.20, updated: 10.06.25

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: 08.09.25

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

Zebra Systems is among the organizations profiled in this Wall Street Journal Report Show. (Circa 1988)video, orig pub: 09.24.25, updated: 09.24.25

Zebra Systems is interviewed on the New Tech Times (circa 1988).video, orig pub: 09.24.25, updated: 09.24.25

We recappped our experiences at VCF Midwest, which took place September 12-13. Many of the group members attended, including folks from Albuquerque, New Zealand, Atlanta, Kansas, New York, and California. And we met new folks like Evan Wright and Peter BetBasoo.video, orig pub: 09.23.25, updated: 09.23.25

We chatted about preserving Asa Gordon's program from his time at NASA, modern hardware projects, and other Timex/Sinclair topics.video, orig pub: 09.21.25, updated: 09.21.25

From Jim Crow to NASA, R. Asa Gordon's journey from punch-card computing to predicting Apollo missions' radio blackouts reveals how constrained hardware inspired his groundbreaking orbital analysis methods.video, orig pub: 09.01.25, updated: 09.01.25