Apple-2-HW/unified_retro_keyboard
1
0
Fork 0
mirror of https://github.com/osiweb/unified_retro_keyboard.git synced 2024-11-13 06:05:51 +00:00
Code Issues Projects Releases Wiki Activity
140 Commits 9 Branches 8 Tags 62 MiB
01f57f69e1
Commit Graph

2 Commits

Author SHA1 Message Date
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