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3Pcs HC-SR501 Human Infrared Sensor Module Including Lens 18% OFF 3Pcs HC-SR501 Human Infrared Sensor Module Including Lens US$8.99 US$10.99 View It
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Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
aldotrianti 08/06/2020
This is a nice IR based motion detector module. Fairly low power consumption and very easy to use. Just connect the VCC and ground and you'll get a ~4V high logic signal from the middle pin when the sensor is triggered. Tthere are two trimmers on the board but I don't know what they are for (maybe sensitivity and delay?). I had to turn them counterclockwise almost all the way to get the sensor working as I expected.
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