// Piezo sensor on pin 0. const int programSwitch = 2; // If this is high we program a new code. //const int lockMotor = 3; // Gear motor used to turn the lock. const int redLED = 4; // Status LED ...

a random arduino thingy i made which basically plays songs thru a melody list which makes a rgb led change colors(based on the current note) ...

This tutorial will show you how to use the Arduino to play your most-loved tunes. The steps are pretty simple to follow and should get your project running within minutes. The Arduino here creates ...