Creative Hardware
Etherbulb Turns a Cheap Smart Bulb Into a Radio That Colours Your Room
A smart bulb already contains a 2.4 GHz radio and a light. Etherbulb rewires the relationship between them — the bulb listens to the band, classifies what it hears, and shows it as colour. No app, no cloud, no transmitting, and a hardware interlock so the RGB and white channels can never run together.