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col: D4, C6, D7, E6 |
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col: D4, C6, D7, E6 |
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row: B4, B5, B6 |
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row: B4, B5, B6 |
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LED matrix pinout |
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LED matrix pinout |
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col: F4, F5, F6, F7 |
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col: F4, F5, F6, F7 |
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BOM |
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BOM |
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1 Pro Micro |
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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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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 1n4148 diodes, save the cut off leads for use with machined pin socket |
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12 switches |
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12 switches |
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Optional for i2c |
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Optional for i2c |
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2 5k resistors (R4, R5) |
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2 4.7k resistors (R4, R5) |