DIY Amazon Echo using Arduino that can control house lights, tell you the time, play music and even get the weather status right now.

Using one Arduino Uno board to control 88 solenoids to play piano.

Create a Bluetooth MIDI controller with an Arduino 101.

Convert your USB MIDI instruments to wireless using one of these Bluetooth MIDI adapters.

Convert a 3D-printed bagpipe chanter into a BLE MIDI instrument.