Electrobot HC-SR501 Pyroelectric Infrared PIR Motion Sensor Modules for Arduino and Other DIY Projects (2 Pcs)
Price: (as of – Details) The pir motion sensor detector module hc-sr501 allows you to sense motion. It is almost always used to detect the motion of a human body within the sensor’s range. It is often referred to using “Pir”, “Pyroelectric”, “Passive infrared” and “Ir motion” sensor. The module has an onboard pyroelectric sensor, …