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 ...
[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 made something similar but using the RP2350A board, the Raspberry Pi Pico 2, and published a guide on how to get Wi-Fi on the Pico 2 using an ESP32 ... with more GPIO pins than the RP2350A ...