This example code is in the public domain. http://www.arduino.cc/en/Tutorial/Array int timer = 100; // The higher the number, the slower the timing.

I’ve been testing out the RYB2340 Bluetooth module, and it’s honestly one of the simplest ways I’ve found to add wireless ...

This sketch shows how to use the serial transmit pin (pin 1) to send MIDI note data. If this circuit is connected to a MIDI synth, it will play the notes F#-0 (0x1E) to F#-5 (0x5A) in sequence. The ...