PIR motion sensors, infrared receivers, and optical sensor modules for motion and light-based detection.
PIR / IR and Optical Sensor
PIR (passive infrared) sensors detect motion by sensing changes in the infrared heat signature of moving objects, making them the go-to choice for automatic lighting and security-alarm projects. This category also covers IR receiver modules for remote-control decoding and other optical sensors that respond to changes in light rather than direct contact.
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