The PIR (Passive Infrared) Sensor detects motion by sensing changes in infrared radiation emitted by objects within its field of view. Ideal for security systems and automation, it offers reliable motion detection without the need for complex setups. Combined with Optical Sensors, which detect light intensity or ambient light levels, it provides comprehensive environmental sensing capabilities, empowering your projects with enhanced functionality and versatility.
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PIR Motion Sensor Modules
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SKU:
TO-49777
- Type: Passive Infrared (PIR) Motion Sensor
- Usage: Detects human movement within sensor range
- Features: Small, inexpensive, and low-power
- Core Component: Pyroelectric sensor with split detection zones
- Operation: Senses changes in infrared radiation levels
- Applications: Common in home security systems, appliances, and gadgets
- Detection: Responds to movement by differentiating IR levels between two sensor halves