Passive Infrared (PIR) Sensor The passive infrared (PIR) sensors allows your project to sense motion. They are almost always used to detect whether a human has moved in or out of the sensor's range. The sensitivity and delay are both adjustable by small potentiometers. Specifications Voltage: 5 VDC Connection: 3 pin: GND, VCC and OUT Adjustments: sensitivity and delay (by trimmer) Delay time: 0.3 to 18 seconds Output level: high = 3V, Low = 0V Max. sensor distance: 7 m (22.75 feet) Operating temperature: -15 to 70C Detection angle: 120 Dimensions: 32 x 24 x 25 mm
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