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  • 68020 minimal homebrew computer

  • Introduction In a drawer, I had an MC68EC020 lying around; it was ordered along with some 68K parts because it cost less than five bucks. Wouldn't it be wonderful to have your own 68020 system (like the good old Sun-3 system)? But a system that is completely...
  • DIY PCB Etching Machine

  • IntroductionHello friends in this video I have built a PCB etching machine. this machine used or chemical treatment of Copper clad PCB first black spray paint on blank copper clad PCB, then I trace the PCB track using Laser machine. Then I dip this PCB...