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Recent content by Grant

  1. G

    512k keyboard killed by a cable

    Thanks. Aside from the schematic that looks pretty good.  I've done PS/2 protocol before and this looks somewhat similar (clock and one bidirectional data line).
  2. G

    512k keyboard killed by a cable

    Is there more technical information about keyboards using the 8021 or MAB8021? I've previously made a drop-in board for an 8021 that uses a newer smaller flash microcontroller. The code needs to be rewritten but if there is protocol information then I don't think it would be that hard. Also the...
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