720 B
720 B
Overview
This uses an AVR microcontroller (ATMega328P-PU, which is in the Uno R3).
- Microconroller: https://git.onewaycoding.com/jay/tone-generator
- MIDI parser: https://git.onewaycoding.com/jay/midi-parser
Pin Description
+--------+----------------------------------+ | Pin(s) | Purpose | +--------+----------------------------------+ | 0-7 | 8-bit ADC (for audio) | | 8 | Next button | | 9-10 | LEDs | | 11-13 | ISP Programmer, otherwise unused | | A0-A3 | Serial (with flow control) | | A4-A5 | I2C | +--------+----------------------------------+