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Saturday 1 July 2023

Build a Midi to Relay Box for Arduino

Download the code HERE

PARTS LIST (with Amazon links)

1 - Relay Board (8 relays)

1 - Arduino Nano

1 - 6N138 Optocoupler

1 - 1N914 Diode

1 - LED

2 - 220 Ohm Resistors (1/4 Watt)

1 - 470 Ohm Resistor (1/4 Watt)

1 - 4.7K Ohm Resistor (1/4 Watt)

1 - Midi Jack

1 - 5V Power Adaptor (1-Amp)



Posted by Dave at 10:30 am
Labels: ,

5 comments:

  1. Anonymous1 November 2023 at 06:55

    Hey! it's hard to modify the code to use this one with an arduino due, with midi usb? can you help me :D

    ReplyDelete
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  5. Anonymous9 September 2024 at 02:56

    Hiya, great looking project! Is there a simple way to modify this to work with PC midi changes as well as CC? Many thanks!

    ReplyDelete

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