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ZX81

A collection of 4 posts
ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 2
diy

ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 2

This is the second part of a two part post in which I share every step of designing and building a prototype mechanical keyboard for my TS-1000, or with some adaptation, could be applied to other models of retro computers. Part 1 covers the design and manufacture of the acrylic
May 1, 2022 14 min read
ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 1
retro computing

ZX81/TIMEX-SINCLAIR 1000 Custom Mechanical Keyboard Prototype - Part 1

In this two part post I will share every step of designing and building a prototype mechanical keyboard for my TS-1000. There are two free online tools mentioned in this part that will help you design and build your own custom keyboards. Part 1 will cover the design and manufacture
Apr 24, 2022 10 min read
ZX81/TIMEX-SINCLAIR 1000 Composite Video Mod Part 2 - Plus Troubleshooting
Digital Electronics Featured

ZX81/TIMEX-SINCLAIR 1000 Composite Video Mod Part 2 - Plus Troubleshooting

Part 1 of this two part series documents one possible way to perform a DIY composite video mod on a ZX81/TS1000 with the newer ULA 2C210E, as opposed to the older ULA 2C184E. The main difference between the two versions of the ULAs as far as video output goes
Mar 27, 2022 8 min read
ZX81/TIMEX-SINCLAIR 1000 Composite Video Mod Part 1
ZX81

ZX81/TIMEX-SINCLAIR 1000 Composite Video Mod Part 1

This is the first of a two part post that will start a series on modding the Sinclair ZX81 and the Timex-Sinclair 1000. The first mod being RF to composite video.
Jan 1, 2022 10 min read
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