keypad with 15 fully customizable buttons, convenient for many programs, fusion 360, photoshop, gimp, canva, autocad….

ARDUINO CODE IS INTO RAW FILE

link for video tutorial (italian language) :

amazon link for the components:

arduino pro micro: https://amzn.to/4b7LqPC

switches: https://amzn.to/3u1462Z (i use 6x6x7 size)

m3 bolt: https://amzn.to/3OdTaG5

electric cables: https://amzn.to/4bcYa7O

iron soldering kit: https://amzn.to/42f74gW