Qunqi 10pack HC-SR501 Pyroelectric Infrared PIR Motion Sensor Modules For Microcontrollers

Price: $16.69
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Product Features

automatic sensor:when enter the sensor,output range is high,when people leave the sensor, range of the automatic off, output low temperature compensation,Blockade time: 0.25 seconds two trigger mode:not repeat the trigger, repeatable trigger Operating voltage range: DC 4.5-20V Quiescent Current: <50uA Trigger: L can not be repeated trigger/H can be repeated trigger(Default repeated trigger)