[Simon Monk] got frustrated with bad ADC performance when tinkering with an ESP32 board, and decided to put three of the nowadays-iconic boards to the test – a classic ESP32 devboard, a Pi Pico ...

We usually require more pins, but if medium-sized ESP32-C3 modules are priced near ... So you design in an external ADC chip and connect it via I2C, or you tack on a shift register and drive ...