What is the difference between a motion sensor and a PIR sensor? (10 Intelligent PIR Motion Sensors for Seamless Smart Home Automation

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Sep 26, 2026 - 11:59 AM

A motion sensor is a general term for any device that detects movement in an area. A PIR (Passive Infrared) sensor is a specific type of motion sensor that detects movement by sensing changes in infrared radiation (heat) emitted by objects, typically people or animals.

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What is the difference between a motion sensor and a PIR sensor?

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