The included examples demonstrate a CONTROLLER transmitter (MIDI OUT) and a PERIPHERAL receiver (MIDI IN). This requires two Arduinos with an I2C link between them. This requires the connections: A4 ...

Interfacing an Arduino with a 16x2 LCD using I2C is a popular and efficient way to use an LCD with minimal wiring. The I2C (Inter-Integrated Circuit) protocol reduces the number of pins needed for ...