35 lines
713 B
Markdown
35 lines
713 B
Markdown
## bilimbi keyboard firmware
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bilimbi keyboard. 4x3 matrix.
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Key matrix pinout
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col: D4, C6, D7, E6
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row: B4, B5, B6
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LED matrix pinout
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col: F4, F5, F6, F7
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row: B1, B2, B3
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BOM
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1 Pro Micro (5V, 16MHz)
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2 12pin SIP headers, or 1 24 pin machined pin DIP socket
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12 1n4148 diodes, save the cut off leads for use with machined pin socket
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12 switches
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Needed if you want LEDs
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12 LEDs
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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) |