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129 Results for "amateur radio"

  • HB6809 Homebrew computer

  • I wanted a low cost kit like computer based around the 6809, with a very simple expansion bus. Design goals: Cost - try to keep board footprints small (this was hard, further minimization with surface mount parts would be the way to go even lower)Minimal...
  • STC15-RESPFM

  • ## What is it?Project RE-birth 2nd is the spiritual continuation of [Project RE-birth](https://web.archive.org/web/20210307031049/ym2203.com)    In 2021, for unknown reasons, the Japanese closed the ym2203.com website, deleted all public...
  • DIY DNA SEQUENCER

  • Hello everybody. My name is Alexander Sokolov, and I am an expert in quantum cryptography. I want to tell you how to make a DNA sequencer, a device for decoding deoxyribonucleic acid (DNA), at home. The market price for such a device is about $50,000...