PIR Motion Sensor

Pololu item #: 2731
Brand: SparkFun
RoHS 3 status: supplier unspecified

Price break Unit price (US$)
1 10.95


backorders allowed

The passive infrared (PIR) motion sensor detects movement of infrared light sources with wavelengths ranging from 7 μm to 14 μm. Since people emit infrared radiation from 8 μm to 14 μm, this an excellent sensor for detecting human movement. Two infrared detector “pixels” allow the detector to filter out changes affecting the whole sensing area, like weather or light.

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Dimensions

Size: 1.4″ × 1.2″

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