[Simon Monk] got frustrated with bad ADC ... test – a classic ESP32 devboard, a Pi Pico with an RP2040, and an Arduino Uno R3 with an ATmega328P. To do that, he took a bench PSU, added a filter ...
Therefor an ADC to convert analogue test-points into digital signals is convenient. As it is an auxiliary circuit high performance is not required ... degree and have a background in analogue/RF IC ...