Jamlights

I'm going to try and put LEDs in my electric guitar's fretboard. I want to light up the scales I'm practicing, and I want to be able to cycle through multiple scales in sync to a metronome.

I don't know much about electronics or hardware modding so this is going to be a long-term project with a high chance of failure!

(Update - I never did anything with this and also I accidentally broke the guitar I was going to use!)