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.

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

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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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I spend about 12-16 hours a day hacking away on this little black box doing who knows what. It could be anything from working on my new rom to making tapes for customers, or trying to straighten out the clubs library. I’m transferring the library over to disc so that I can allow access to…article, orig pub: 10.07.22, updated: 04.15.26
Recently I was given an MSDOS disk by Bill Harmer, of Ottawa, to see what I could do with it. This article describes my experience with transferring this and subsequent MSDOS files to the TS2068 using the Larken LKDOS. When I first received the disk I found that the Larken disk system, as I expected,…article, orig pub: 10.27.20, updated: 04.14.26
A DATA-driven melody player for "On Top of Old Smokey" with adjustable tempo, lyric display, and clever ON ERR end-of-data detection.computer_media, orig pub: 04.13.26, updated: 04.14.26
A Snake game that encodes the entire body as a string of position characters and uses a REM-embedded machine code routine to read screen cells for collision detection.computer_media, orig pub: 04.13.26, updated: 04.13.26
Watch a sine wave build point by point across the screen, with live readouts of the x and y values updating at each step.computer_media, orig pub: 04.13.26, updated: 04.13.26
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