Apple-2-HW/unified_retro_keyboard
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unified_retro_keyboard/hardware/documents/solder_switches.jpg
Dave 506db36ed8 Fixed multiple problems with OSI interface 
- off-by-one connections to keyboard connector
- wrong demultiplexing of select signals
- 2OE on 74LS240 was not inverted, resulting in wrong circuit.
- use pre-jumpered row diodes.
- fixed off-grid errors on schematic
2023-11-11 17:51:33 -06:00

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