The N32B is a 32 knobs midi controller.
It is an open hardware and software, operating with an Arduino pro micro.
You can read more about the N32B in here:
https://shik.tech/n32b/
A DIY kit is available in our shop:
https://shik.tech/shop/
Enjoy the soldering therapy...
Resistors & Diode - 00:10
Capacitors - 00:32
TRS jacks - 00:51
Tactile buttons - 1:04
7 Segment display - 1:22
Multiplexers - 1:38
Potentiometers - 2:27
Integrated circuits - 4:10
Arduino pro micro - 4:31