IR sensor HC-SR501 (new)

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The HC-SR501 infrared sensor is an automatic control product based on infrared technology. This sensor uses a dual-element probe. The probe window is rectangular. It is more sensitive to the right and left movement of the human body, but it is not sensitive or even to people walking up and down or coming from the front. Turn the distance potentiometer clockwise to increase the sensing distance (maximum 7 meters, minimum 3 meters). When turning the delay potentiometer clockwise, the sensing delay will be longer (maximum 300 seconds, minimum 5 seconds).

Spec:
Working voltage: 4.8 – 20V
Quiescent current: <50uA
Working temperature: -15-70°C


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