Apple-1-HW/unified_retro_keyboard
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dff3830307
unified_retro_keyboard/hardware/interface-ascii/images/PCB-assembly-rendering.jpg
David Fenyes dff3830307 ASCII interface update 
- Fix wrong direction DIP switch diodes
- Add buffers to permit ISP lines to also be used as output and LED drivers
- Allow 3 keyboard LEDs and 3 host outputs (RESET, CLEAR, BREAK, LOCAL, etc.).
- Outputs 1 and 3 are general purpose (can be open drain or driven).  Output 2
  is open collector (with optional on-board pullup).
2020-01-02 22:13:36 -06:00

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