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Laser Transmitter Receiver modules for sensing movement
23 March 2016 | Updated 6 December 2017
Laser Transmitter Receiver Modules consist of a collimated Laser Transmitter module (a straight, non-diverging laser beam) and a separate non-modulating Laser Tube Sensor/Receiver module (a laser beam sensor).
HC-SR501 Pyroelectric Infrared Motion Sensor module
10 January 2016 | Updated 16 February 2018
HC-SR501 Pyroelectric Infrared Motion Sensor modules are electronic sensors that is used to detect motion. These modules are based on passive infrared technology with a high sensitivity and reliability.
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