These light bulbs use the simple Zigbee protocol ... The ESP8266, using the Tasmota firmware, sends a signal to an MQTT server running on the Raspberry Pi, which in turn translates it to a ...

to speaking to the bulb over MQTT. [Tinkerman] does a great job of walking through the exact steps needed to disassemble and reprogram the bulb, and touches upon the added flexibility given by the ...