Whenever there’s a superlative involved, you know that degree of optimization has to leave something else on the table. In the case of [PegorK]’s f32, the smallest ESP32 dev board we’ve seen, the cost ...

The f32 measures just 9.85mm x 8.45mm and is powered by the ESP32-C3FH4 microcontroller. It was developed primarily for research purposes and as part of a stress test to push the limits of ESP32 ...