RCWL 0516 Microwave Radar Sensor (PIR alternatives)
RCWL 0516 microwave radar sensor (PIR alternatives) WORKING PRINCIPLE The RCWL 0516 Sensor module has been designed specially for motion sensing and that to after considering the outcomes of common PIR motion sensors. Earlier PIR sensor was widely used in auto motion sensing devices like burglar alarms, security lights, motion sensing relay switch etc. Just …