Apple-2-HW/unified_retro_keyboard
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4 Commits

Author SHA1 Message Date
Dave
14248df6fe mechanical fit and buildability fixes 
- Moved header slightly forward

- Moved interface mount holes do reduce interference with case mount holes

- For all keys in classic keyboard, add option for either through-hole or SMT
diodes and resistors.
 2020-06-23 17:21:38 -05:00
Dave
59f7eb9896 Completed routing on OSI interface board 
Cleaned up and fixed schematics
 2020-05-27 12:22:58 -05:00
Dave
01f57f69e1 Circuit tweaks 
- Add power-on reset to reset circuit
- Modify Shiftlock circuit to require only one jumper
 2020-04-23 11:27:54 -05:00
Dave
5fa0f80b4e Add OSI interface schematic 
Provides a keyboard interface to interface with OSI computers.  Equivalent to an
OSI 542C.

- Includes sound circuits

- Includes RESET delay circuit

- SHIFT LOCK can be mechanical push-on/push-off or soft toggle, selectable by
jumper.

- Provide SHIFT LOCK LED output.
 2020-04-21 14:30:59 -05:00