Commit Graph

21 Commits

Author SHA1 Message Date
David Fenyes
0bd2fa0330 Move DIP switch to row 8 (9th row) 2020-02-28 21:02:30 -06:00
David Fenyes
eb28b7b59f update screen shot to 2.4 2020-02-28 03:38:46 -06:00
David Fenyes
9550331adf PCB cleanups
- swap numbering of row select protection diodes for cleaner PCB labeling
- clarify labeling on GPIO pins on the MCU
- bump rev to 2.4 to indicate work in progress. Release will be 2.5.
2020-02-28 03:31:48 -06:00
David Fenyes
92816e64e8 Update README for ASCII interface 2020-02-28 03:24:48 -06:00
David Fenyes
c30deb3442 OUT3 is /RESET on Apple1 and Apple2 connectors.
OUT3 is RESET on both Apple 1 and Apple 2 connectors
Fix comment on the OUT1, OUT2, and OUT3 functions.
2020-02-16 12:55:53 -06:00
David Fenyes
821ef250ca Add SOL-20 connector 2020-01-28 15:04:01 -06:00
David Fenyes
a03a207a09 Keyboard layout updates
- Add extra key to the left side of row 4 to permit "inverted T" for those who
  want it.

- Tiny shifts of several keys to correct key distances

- Include mounting holes with daughter board connector, to ensure consistency.
2020-01-20 07:22:13 -06:00
David Fenyes
420cafc371 Merge branch 'master' of https://github.com/osiweb/unified_retro_keyboard 2020-01-03 11:02:08 -06:00
David Fenyes
72e4f3d362 Move DIP switch to row 15
So keyboards with more than 8 rows can have keys on contiguous row numbers.
2020-01-03 11:01:11 -06:00
dfnr2
9102f87635 Update README.md 2020-01-03 08:41:48 -06:00
dfnr2
07247c0202 Update README.md 2020-01-02 22:20:41 -06:00
David Fenyes
d6d1b60ff9 Merge branch 'master' of https://github.com/osiweb/unified_retro_keyboard 2020-01-02 22:16:08 -06:00
David Fenyes
2cdabd6d4c updated rendering 2020-01-02 22:15:48 -06:00
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
dfnr2
865940518b Update README.md 2020-01-02 21:43:20 -06:00
David Fenyes
4621770c31 README.md update to add assembly image 2020-01-02 21:38:20 -06:00
dfnr2
399813c0c7 Create README.md 2020-01-02 21:31:40 -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