About this 3D model

This is an optical hi-hat controller using arduino & TCRT5000. https://open-e-drums.tumblr.com/post/171265375249/optical-hi-hat-controller TIP - 5V RING - A0 SLEEVE - GND Code : https://github.com/RyoKosaka/drums/tree/master/arduino/tcrt5000_hihat Movie : https://www.youtube.com/watch?v=nmmvWoV9H6E Blog : https://open-e-drums.tumblr.com/ M3 - 25mm 1 M3 - 12mm 4