A small and simple STM32G431 based dev board, that doubles as analog-to-USB acquisition tool. Next to 6 single ended or 2 differential ADC inputs (upt to 16bit), there are 3 PGA connected ADC inputs ...

Attach Potentiometer Bracket to the front of the potentiometer. Strip the handbrake of all non-required parts. You just need the handbrake lever itself and the supporting frame. Screw the sliding pot ...

The USB DAC converts digital audio signals from the computer to analog signals for the amplifiers and speakers. Although an analog connection can be made via the outputs on the computer's sound ...