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PIR Motion Sensor - Adafruit Industries

PIR Motion SensorCreated by lady ada updated on 2021-11-15 05:48:12 PM EST Adafruit IndustriesPage 1 of 25355681213141617181919202325 Table of ContentsOverview Some Basic StatsHow PIRs Work The PIR Sensor LensesConnecting to a PIRT esting a PIR Retriggering Changing sensitivity Changing Pulse Time and Timeout Length For older/other PIR sensorsUsing a PIR w/Arduino Reading PIR SensorsCircuitPython CodeExample ProjectsBuy a PIR Motion Sensor Adafruit IndustriesPage 2 of 25 Overview PIR sensors allow you to sense Motion , almost always used to detect whether ahuman has moved in or out of the sensors range.

Nov 15, 2021 · Output: Digital pulse high (3V) when triggered (motion detected) digital low when idle (no motion detected). Pulse lengths are determined by resistors and capacitors on the PCB and differ from sensor to sensor. Sensitivity range: up to 20 feet (6 meters) 110° x 70° detection range Power supply: 5V-12V input voltage for most modules (they have ...

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