Commit Graph

5 Commits

Author SHA1 Message Date
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
Dave
594e3d7d8b Finalize layout and mounting
- Add apple 2 mounting slots (and stretch PCB to accommodate slots
- Add pass-through holes in aligners for OSI keyboard spacers
- Move 'ESC' key next to '1' key
- Add TAB key next to Q key
- remove 'here is' and finalize "helper" keys along left side of keyboard
- move legends off of PCB traces
- update to release 1.3
2020-01-02 10:08:11 -06:00
Dave
8aeab966d4 Keyboard interface cleanups for ASCII controller
Fixed lines for POWER LED and button, SHIFT Lock, Rubout, and CAPS LED.
2019-12-27 13:03:46 -06:00
Dave
a58dcc4234 OSI mounting holes
- Add OSI-compatible mounting holes.
- Adjust keyboard and aligner holes to make room for the OSI mounting holes
- Change "Universal Keyboard" to "Unified Keyboard" in the design files.
2019-12-14 03:52:15 -06:00
Dave
784805adc7 first commit 2019-12-12 14:46:29 -06:00