The guitar idea is better but I should start somewhere, there are a few laser harp designs, with a without frames, I could do one that is the same a a break beam sensor, but with a few of them and a speaker.
Laser harp
Start with a few notes.
Collaborative builds
Start with a few notes.
The guitar idea is better but I should start somewhere, there are a few laser harp designs, with a without frames, I could do one that is the same a a break beam sensor, but with a few of them and a speaker.