MST MIDI to CV Expander PCBs, Panel and IC-PCB-M-MST-MCVE
GitHub - abhishek29061992/msp430-midi-controller: A code example for MSP430 series microcontroller (MSP430G2553) that uses 32 (pressure insensitive) keys, an ultrasonic sensor (HC-SRO4) and a potentiometer (foot pedal in this case) to send signals