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YouTubeTechnifyi
PIR Motion Sensor Explained in 60 Seconds | HC-SR501 with Arduino & ESP32
Discover how the HC-SR501 Passive Infrared (PIR) Motion Sensor works with Arduino and ESP32 in just 60 seconds. In this short, you'll learn: What PIR (Passive Infrared) means How the HC-SR501 detects motion Operating voltage, detection range, and viewing angle Pin configuration (VCC, OUT, GND) Working principle using a dual pyroelectric sensor ...
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