Sparkfun Pro Micro (Arduino leonardo) + TMK firmware + HHKB
- Download with Arduino bootloader
- Use TMK keyboard library
- install make
- Install Arduino
- Add avr-gcc to PATH
/Applications/Arduino.app/Contents/Java/hardware/tools/avr/bin/ - clone git submodule
cd keyboard/hhkb
make claean
# compile for keymap_????.c
make KEYMAP=????
# let pro micro enter bootloader mode
# download
python downloader.pyFor first time use, you can enter bootloader mode by pulling the RST pin low.
| JP | Pro2 | Pro | Function | Description | TMK pin usage | Sparkfun Pro micro pin |
|---|---|---|---|---|---|---|
| 1 | Vcc(5V) | 5V | VCC | |||
| 1 | 1 | 2 | Vcc(5V) | 5V | VCC | |
| 2 | 2 | 3 | Vcc(5V) | 5V | VCC | |
| 3 | 3 | 4 | TP1684 | ~KEY: Low(0) when key is pressed | PD7 input(with pullup) | 6 |
| 4 | 4 | 5 | TP1684 | HYS: High(1) when key is pressed | PB7 output | 7 |
| 5 | 5 | 6 | HC4051 | A(bit0)\ | PB0 output | A2 |
| 6 | 6 | 7 | HC4051 | B(bit1) > select row 0-7 | PB1 output | A1 |
| 7 | 7 | 8 | HC4051 | C(bit2)/ | PB2 output | A0 |
| 8 | 8 | 9 | LS145 | A(bit0)\ | PB3 output | 14 |
| 9 | 9 | 10 | LS145 | B(bit1) > select column 0-7 | PB4 output | 8 |
| 10 | 10 | 11 | LS145 | C(bit2)/ | PB5 output | 9 |
| 11 | 11 | 12 | LS145 | ~D(enable) Low(0) enables selected column | PB6 output | 10 |
| 12 | 12 | 13 | GND | GND | GND | |
| 13 | 13 | 14 | GND | GND | GND | |
| 15 | GND | |||||
| 14 | HC4051(Z2) | ~Enable of Z2 row0-7 | PC6 | X | ||
| 15 | HC4051(Z3) | ~Enable of Z3 row8-15 | PC7 | X |
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