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- ## bilimbi keyboard firmware
- ![bilimbi 1.0 Assembled](bilimbi.jpg)
- ======================
- bilimbi keyboard. 4x3 matrix.
- ![bilimbi 1.0 PCB Front](pcb-top.png)
- ![bilimbi 1.0 PCB Bottom](pcb-bottom.png)
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- Key matrix pinout
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- col: D4, C6, D7, E6
- row: B4, B5, B6
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- LED matrix pinout
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- col: F4, F5, F6, F7
- row: B1, B2, B3
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- BOM
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- 1 Pro Micro (5V, 16MHz)
- 2 12pin SIP headers, or 1 24 pin machined pin DIP socket
- 12 1n4148 diodes, save the cut off leads for use with machined pin socket
- 12 switches
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- Needed if you want LEDs
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- 12 LEDs
- 3 Resistors for LEDs (R1-R3). Use online LED caculator to choose value. Target 10mA single LED output.
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- Optional for i2c
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- 2 4.7k resistors (R4, R5)
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