Uploaded July 2023 | Updated September 2026, 3 weeks ago

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$5 Coupon from PCBWay: pcbway.com/setinvite.aspx?inviteid=577465
A viewer needed a way to control high voltage and current with Midi. Let's do this!

PARTS on Amazon
Relay Board: amzn.to/3NxUzX0
Arduino Nano: amzn.to/3PE2apr
6n138 Optocoupler: amzn.to/3PC2sNw
5V Power Supply: amzn.to/444pkK7

Download the Code: notesandvolts.com/2023/07/build-midi-to-relay-box-for-arduino.html

MERCH Store: notes-and-volts-shop.fourthwall.com

Check out my NEW music channel @synthwavedave
youtube.com/@synthwavedave

Want to purchase the gear I use? Check out my Amazon Influencer Page: amazon.com/shop/notesandvolts

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WEBSITE: notesandvolts.com

DISCORD: discord.gg/bkQybGY

TWITTER: twitter.com/notesandvolts

INSTAGRAM: instagram.com/notesandvolts

PATREON: patreon.com/notesandvolts

MUSIC: tekbrane.bandcamp.com/album/software-2
Spotify - iTunes - Youtube Music: Tekbrane

Intro: 0:00
Relay Board: 3:17
Demo: 3:44
Hardware: 6:11
Software: 14:25
Build It: 19:38
Thanks!: 24:24

#synth #electronics #makersgonnamake