etherbulb: the bulb that shows you the RF spectrum

T1Covered by 1 source · first reported by Raspberry Pi / Arduino / Adafruit at 19 Oct, 21:03 UTC

Peter Holzhauser has published Etherbulb on GitHub, open source firmware that turns an inexpensive ESP32-C3 smart bulb into a receive-only radio. The bulb listens to the 2.4 GHz band and the mobile bands nearby, classifies what it hears, and colors the room by signal type. Blue for Bluetooth, green…