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.

1983

Timex/Sinclair 1500

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

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.

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.

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.

1982

Sinclair ZX Spectrum

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

1984

Sinclair QL

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

1987

Cambridge Z88

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

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

How to construct interfaces with instructions for building a relay controller, a joystick interface, analog to digital conversion and more.book, orig pub: 04.05.20, updated: 01.23.26
I had to go to the Fest in Waukesha by way of Decatur, IL since I had to drop my wife off to visit with our oldest daughter and her family. It may have been a shorter distance to drive from home direct to the FEST but I didn’t have that option. However, the distancearticle, orig pub: 01.23.26, updated: 01.23.26
Block diagram and memory map.article, orig pub: 01.23.26, updated: 01.23.26
I have had a number of inquiries both by phone and by letter about various T/S questions. All prompted by CRAGIST being listed in Computer Shopper in the User’s Groups and now in Computer Buyer’s Guide Users Group column. I moved my computer gear back into my corner of the basement prior to Masako’s (myarticle, orig pub: 01.23.26, updated: 01.23.26
When I ordered my Larken T/S 2068 disk controller boards I started to stock up on disks when on sale, I ended up with 10 boxes (50 disks) and later I ordered from MEI Micro two orders of 100 bulk disks and then a little while back I realised that I had only 50 unformatedarticle, orig pub: 01.23.26, updated: 01.23.26
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