Welcome to TimexSinclair.com, your definitive resource for everything related to the Sinclair and Timex/Sinclair computers in the United States. From the groundbreaking Sinclair ZX81 that brought affordable computing to American homes in 1982, to the Timex/Sinclair 2068, we celebrate these remarkable machines that introduced a generation to the world of programming and digital innovation.

Timex/Sinclair

The American chapter—Timex brought Sinclair’s vision to U.S. homes.

Welcome to Timex/Sinclair.com
1982

Timex/Sinclair 1000

The U.S. version of the ZX81, available for under $100 at retail stores across America. This machine democratized computing in the United States.

Explore the T/S1000
1983

Timex/Sinclair 1500

Enhanced version of the Timex/Sinclair 1000 with 16K RAM built in, ZX Spectrum style case and keyboard.

Explore the T/S1500
1983

Timex/Sinclair 2068

Color graphics, sound capabilities, and a cartridge port made the 2068 the ultimate U.S. Sinclair experience with serious computing power.

Explore the T/S2068

Sinclair

The pioneering machines from Clive Sinclair that revolutionized home computing.

1980

Sinclair ZX80

The machine that started it all—revolutionary for its price point and brought computing to everyday people.

Explore the ZX80
1981

Sinclair ZX81

The machine that brought computing to the masses. Sold over 1.5 million units worldwide—legendary affordability and hackability made it an icon.

Explore the ZX81
1982

Sinclair ZX Spectrum

The ZX Spectrum brought vibrant color graphics and sound to the home computer market, selling over 5 million units worldwide.

Explore the ZX Spectrum
1984

Sinclair QL

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

Explore the QL
1987

Cambridge Z88

Sinclair’s ambitious 32-bit business computer. Multitasking OS, built-in Microdrives—ahead of its time with professional aspirations.

Explore the Z88

Join Us Online

We have a YouTube channel, active email list and more! We meet via Zoom on the first Monday and third Sunday of each month to chat about our favorite computers, projects and more. Each meeting is recorded and posted to YouTube. You can watch some of our most recent meetings below.

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Recently Added/Updated

Alger Salt joined and took us back to the early 1980s, when he and a colleague built an analog interface for the ZX81/TS1000 cassette input. And we we talked about robots.video, orig pub: 10.14.25, updated: 10.14.25
This article shows you how you can use a full size IBM compatible keyboard with your computer and create a new channel to link it to your own Basic programs. My new cartridge version of Pro/File 2068 has the software part of this project built into the cartridge, and it can be used with any…article, orig pub: 10.12.25, updated: 10.12.25
Last time, we looked at the details surrounding HOT-Z’s READ mode. This issue, we’ll use HOT-Z to write some machine code. The program we write will not be a masterpiece that sends shivers up your spine. Instead, it will be something short and sweet, but it will demonstrate the way you use HOT-Z to write…article, orig pub: 10.12.25, updated: 10.12.25
Here is a simple modification you can make to the NVM which enables you to remove an old battery and plug in a new one WITHOUT losing the program you have stored in it! It is amazing, but true. After removing the battery, you can diddley-bop around for 5 minutes (!) and still have time…article, orig pub: 10.12.25, updated: 10.12.25
Charles Stelding from Tyler, TX writes… Pro/File 2068 makes an excellent calendar and daily schedule. I use it in my work as a Campus Minister at Tyler Junior College. Here is a print out showing how I use the calendar. I place a “!” after each day that something is scheduled which allows me to…article, orig pub: 10.12.25, updated: 10.12.25
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