You can build a laser harp using time of flight distance sensors. The CircuitPython code converts the distance data to MIDI messages that can be sent out over UART or USB. Check out the Learn Guide for all of the files and build instructions: https://learn.adafruit.com/midi-laser-harp-time-of-flight-sensorsVisit the Adafruit shop online - http://www.adafruit.com-----------------------------------------LIVE CHAT IS HERE! http://adafru.it/discordAdafruit on Instagram: https://www.instagram.com/adafruitSubscribe to Adafruit on YouTube: http://adafru.it/subscribeNew tutorials on the Adafruit Learning System: http://learn.adafruit.com/-----------------------------------------