Play multiple tones on Arduino (UNO and ATMEGA2560) from MIDI files - JBSchueler/arduino-midi-player_uno_atmega2560. Skip to content. Navigation Menu Toggle navigation. Sign in ...

2. Arduino Mega The Arduino Mega is a bigger version of the Uno board, packed with more pins for larger projects. This board features an ATmega2560 microcontroller, 54 digital input/output pins, 16 ...

The Arduino Uno-compatible board has an MCS-51 (often called 8051 instead) instead of the usual ATmega328P/ATmega168. Specifically, [ElectroBoy] uses the AT89S52 .

Both the Arduino Nano and Uno can be powered via their integrated USB connectors. This automatically supplies regulated 5V power to the board, allowing you to use any USB-supported power source ...