3 ms·

Ah. I always forget to check ebay. Although pre 84+ calculators were a pain to flash...

• hackcasual 10y ago
  Way back in the day I built a parallel port to 3.5mm jack flasher for my 83
  • qwertyuiop924 10y ago
    Yeah, but USB to 3.5 is a bit harder, IIRC...
    • hackcasual 10y ago
      Surely arduino's these day would make that pretty simple
      • qwertyuiop924 10y ago
        Yeah, but I don't know how do do it :-(. I'm not so good at hardware...