Normally a PIR sensor has three cables.
Brown: +
Blue: -
Red: Sensor control
Connect the brown and the blue to your power in.
All lamps must be connected to blue and red.
When the sensor detects movement it "transfers" the ingoing power from the brown wire to the red wire meaning that the lamps for a given period has both + and - = the light up.
PIR = passive infared They detect motion and then activate a switch to turn things on and off
A PIR Sensor can be purchased at any specialty electronics store. It is a sensor primarily used for sensing changes in infrared energy. It is a highly specialized motion detector.
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A PIR Motion sensor detects the minute changes in heat and infrared radiation rather than movement.
Yes, a PIR (Passive Infrared) sensor can work at night. It detects heat emitted by living beings and objects, so it can detect motion even in darkness as long as there are temperature differences between the surroundings and the moving object.
A Passive InfraRed Sensor (PIR)
The PIR sensors use the detectors or pyroelectric sensors to work. Example include the automatic door openers.
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Yes, heat can affect PIR (passive infrared) detectors by potentially causing false alarms or reducing their sensitivity. Extreme temperature changes or direct exposure to heat sources can impact the accuracy of these detectors. It is essential to install PIR detectors away from direct sunlight or heat sources to ensure optimal performance.
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