Does the sun/wind sensor need a power supply or other cable connections? F. Tepaße Updated April 20, 2023 12:49 Follow No, the sensor works by radio and the internal battery is charged by solar cell. Related articles The shutters always close completely when the sun is shining. Why? What happens when the battery is empty? Operating Instructions Sun/Wind Sensor 9499 Can the sun/wind sensor be operated and configured via the HomePilot? How do I protect my awning in windy conditions?