HC-SR501 PIR Motion Detection Sensor Module The PIR (Passive Infra-Red) Sensor HC-SR501 is a pyroelectric devicethat detects motion by measuring changes in the infrared levels emitted bysurrounding objects. This motion can be detected by checking for ...
TCRT5000 Infrared Reflective Optical Sensor The TCRT5000 and TCRT5000L are reflective sensors which include an infrared emitter and phototransistor in a leaded package which blocks visible light. The package includes two mounting clips. This sensor is ...
