sorry, i said wrong. there is no "sensor" for the light bulb. the safety eyes sends signal back to the main unit, and some has motion detect on the wall control, some might have motion detect on the motor unit. it's the computer board that controls the light bulb on and off.
【在 h***e 的大作中提到】 : 我靠,才知道,受教受教。谢谢 : : : light bulb sensor is on the motor unit... :