Tag Archives: Sinclair

Celebrate the 40th anniversary of the Sinclair ZX81 with this multifunction-key-tastic T-shirt

Nearly half a century ago, Clive Sinclair’s Sinclair Research made history. It released the ZX81, one of the key home computers of the 1980s, as the first low-cost micro available to High Street shoppers. And you can express your love of early 80s tech with my latest retro-wear: the ZX81 keyboard shirt.

Modelled by yours truly
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The Sinclair ZX81: a Raspberry Pi retro restyle – Part 2

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Previously on ‘ZX81: a Raspberry Pi retro restyle’: I used a headerless Arduino Leonardo to connect a ZX81 microcomputer keyboard to a Raspberry Pi via USB, using code to handle normal, shifted and function-shifted key presses.

After some searching on eBay, I found an old ZX81 going cheap because it lacked cables, though when it arrived, I found the computer itself to be in excellent condition. Possibly it has never been used, though how if that were the case the cables were lost and the box got so tatty is a mystery I will probably never solve.

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The Sinclair ZX81: a Raspberry Pi retro restyle – Part 1

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I love the design of the Sinclair ZX81. It was never a great computer, even in 1981. It only had 1KB of on-board RAM, it was slow, it was small, it could only do black and white graphics, and it’s membrane keyboard was useless for fast typing. But it looked fantastic: black, sleek and totally futuristic. Almost all other 1980s microcomputers now look very dated. No surprise there, of course, but the ZX81 still looks amazing.

The ZX81 membrane keyboard
The ZX81 keyboard hooked up to the Pi via USB and Arduino
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