Arduino MIDI-in shield - Instructables - DIY How To Make Instructions

This instructable shows how to build a shield to connect devices that send MIDI signals (e.g. a masterkeyboard) to an Arduino.The basic schematic is d... ... Part list: Resistors (1 piece each): 220 Ohms, 100 kOhms, 3.3 kOhms Diode: 1N4148 Optocoupler: 4N

www.instructables.com