[alberto] has also modded the board using a FET to gate power to the ESP32-CAM module’s camera, with all of these hacks bringing the board’s deep sleep current from 2.8 mA to 0.8 mA.

But thanks to the rtl_433_ESP Arduino library developed by ... All you need is an ESP32 microcontroller and a CC1101 or SX127X transceiver module. If you’re looking for a turn-key hardware ...