In this article I will comprehensively explain about the RCWL-0516 a microwave proximity motion sensor which uses Doppler radar. Table of ContentsWhat is RCWL-0516Is the Microwave Radiation from RCWL-0516 Harmful??How RCWL-0516 Motion Sensor WorksRCWL-0516 Pinout DetailsUnderstanding Doppler EffectHow to Use RCWL-0516 (Testing with an LED)Parts ListRCWL-0516 can Detect Motion Through a Plastic CoverHow to Connect … Continue reading How to Connect and Use RCWL-0516 Microwave Motion Sensor