In this post we will turn lamps – connected to a remote switch – on and off via openHAB. Used components The following components have been used to realize the light control: Raspberry Pi (35 Euro) with openHAB installed Elro Wireless Home Control AB440S/3C (3 Remote controlled power switches, 15 Euro) 433Mhz RF Transmitter Module … Continue reading Controlling lights with openHAB, Raspberry Pi and 433Mhz remote switches