21 lines
628 B
Markdown
21 lines
628 B
Markdown
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# Overview
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This uses an AVR microcontroller (ATMega328P-PU, which is in the Uno R3).
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- Microconroller: https://git.onewaycoding.com/jay/tone-generator
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- MIDI parser: https://git.onewaycoding.com/jay/midi-parser
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# Pin Description
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| Pin(s) | Purpose |
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|--------|----------------------------------|
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| 0-7 | 8-bit ADC (for audio) |
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| 8 | Next button |
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| 9-10 | LEDs |
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| 11-13 | ISP Programmer, otherwise unused |
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| A0-A3 | Serial: DTR, TXD, RXD, CTS |
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| A4-A5 | I2C: SDA, SCL |
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