Apple-2-HW/unified_retro_keyboard
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449 Commits 12 Branches 8 Tags 62 MiB
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8 Commits

Author SHA1 Message Date
Dave
8828d90d96 Add additional mounting holes to ASCII interface PCBS and Sol-20 PCB 2020-05-14 03:12:14 -05:00
Dave
8e05617042 Move i/o and serial connectors to edge of PCB 2020-05-14 02:38:42 -05:00
Dave
7e0a32c305 Add PNG rendering 2020-05-14 02:20:48 -05:00
Dave
d69dbaf6d1 Cleanups on ASCII interface PCBs, 328P and 2560 versions 
- Clean up diode positioning and numbering
- Remove 3D models for devices that are not normally fitted
- clean up labeling
- update README files to match PCBs.
 2020-05-14 02:17:03 -05:00
David Fenyes
eb28b7b59f update screen shot to 2.4 2020-02-28 03:38:46 -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
David Fenyes
4621770c31 README.md update to add assembly image 2020-01-02 21:38:20 -06:00