[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 with ...
This ESP32-powered e-ink air quality monitor measures temperature, humidity, COâ‚‚ levels, and VOCs. It uses a custom PCB (ESP32-C3) and a 3.7" e-paper display. The full bill of materials, firmware, and ...