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HC-SR501 Datasheet PDF - ETC

Part Number HC-SR501
Description PIR Sensor
Manufacturers ETC 
Logo ETC Logo 

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PIR Sensor (HC-SR501)
Introduction
Passive Infra-Red (PIR) sensors are used to detect motion based on the infrared heat
in the surrounding area. This makes them a popular choice when building a system to
detect potential intruders or people in general. These sensors can take for 10-60
seconds to warm up, so try to avoid motion during that time.
Parts
Arduino
PIR Sensor
Wires
Schematic
Below is the schematic for using a PIR sensor. It is fairly simple.
Code
Adafruit has a really good tutorial for how these sensors are used and various projects
for them.
Below is the code for working with a PIR sensor. It should be noted that the PIR
sensor does not respond immediately when motion stops. This has to do with the two
potentiameters on the sensor.
Free Datasheet http://www.datasheet-pdf.com/



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1. Motion Detector - Sensor Module

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Featured Datasheets

Part NumberDescriptionManufacturers
HC-SR501The function is PIR MOTION DETECTOR.ETC
ETC
HC-SR501The function is PIR Sensor.ETC
ETC

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