Sir Clive Sinclair revolutionised the home computing market in the UK, with the Sinclair Spectrum being an enduring retro machine. But the Spectrum was the 4th home computer he had released. We open up the ZX81, the machine that came just before and mod it to get a better picture, free from RF.

Chapters

00:00 Intro 00:53 Discussing the change 01:45 Taking it apart 05:10 Analysing the job 07:09 Soldering time 18:33 Finishing the job 18:45 Testing 19:54 Outro + Patrons

Background music: Walk through the park by TrackTribe

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