This mini piano requires no soldering (except for pin headers) and is very easy to make.
It’s a great starter project to get into Arduinos. I had tons of fun making it and playing it once finished!
Includes all the parts you need to build your own small 12-key touch sensitive piano.
MPR121 Touch sensor
Arduino Nano (pre-programmed)
400 point Breadboard
4pcs 10cm M-M jumper wires
Piezo Buzzer (Small Speaker)
150cm solid core wire
12 M3 screws and bolts
Laser Cut, 3D Printed, or CNC Backboard (Optional)
We have posted build and programming instructions on Instructables here.