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unified_retro_keyboard
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unified_retro_keyboard/hardware/multi-kbd-adapter/README.md

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Unified Keyboard Project Multi Adapter

This is a keyboard adapter to permit use of Apple 1, Apple 2, and Sol-20 compatible keyboards with any of these three computers.

Notes

  • Protoboard-style pad matrix permits flexible choice of on-board RESET and CLEAR (OR LOCAL) switches.
  • Pin header allows external RESET and CLEAR (or LOCAL) switches
  • Note that the SOL and Apple keyboards have different strobe polarity. Make sure the strobe polarity on the keyboard is properly configured.

Assembly Rendering