This is the third generation of my custom MIDI controller built for performances and home experiments.
This version includes 8 toggle switches, 8 knobs and two input sockets for connecting external devices: first one is a mono-jack for receiving CV signals, another one is a stereo-jack (with 5V on one of the pins) for receiving signals from active analog sensors.

I will add some videos about connecting light sensor and vape-controller(!!!) to this MIDI controller soon!