Dual Tone Songs

Arduino Uno and Nanos can be made to play 2 notes simultaneously.

Demo:

Arduino via Bluetooth to 2 Tesla Coils

1) Use Arduino Web Client for programming

2) Use Mario Overworld as a sample to start coding your song

3) Edit the Melody and Harmony Sections with your notes

Mario Overworld

OB-LA-DI-OB-LA-DA