Learn Guide
https://learn.adafruit.com/midi-solenoid-drum-kit/
YouTube Video
https://youtu.be/dhKYxDzyXqI
Code on GitHub
https://github.com/adafruit/Adafruit_Learning_System_Guides/blob/master/MIDI_Solenoid_Drum_Kit/code.py
Adafruit Feather M4 Express
https://www.adafruit.com/product/3857
12v Solenoids
https://www.adafruit.com/product/413
Half size Perma-Proto
https://www.adafruit.com/product/1609
ULN2803A Darlington Driver
https://www.adafruit.com/product/970
DC barrel jack
https://www.adafruit.com/product/610
2.1mm DC Plug
https://www.adafruit.com/product/2788
12V 5A power supply
https://www.adafruit.com/product/352
Feather Header Kit
https://www.adafruit.com/product/2886
Mini Toggle Switch
https://www.adafruit.com/product/3221
Fully Reversible USB Cable
https://www.adafruit.com/product/4111
10-wire ribbon cable
https://www.adafruit.com/product/3890
Visit the Adafruit shop online - http://www.adafruit.com
-----------------------------------------
LIVE CHAT IS HERE! http://adafru.it/discord
Adafruit on Instagram: https://www.instagram.com/adafruit
Subscribe to Adafruit on YouTube: http://adafru.it/subscribe
New tutorials on the Adafruit Learning System: http://learn.adafruit.com/
-----------------------------------------