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How do you connect two sensors in series?
To connect two sensors in series, the +SIGNAL wire of sensor 1 is connected to +24 Volts, the -SIGNAL wire of sensor 1 is connected to the +SIGNAL wire of sensor 2, and the -SIGNAL wire of sensor 2 is connected to the die protection input.
Do you need special bulbs for motion sensor lights?
No, motion sensor lights do not require special bulbs. A motion detector basically consists of a motion sensor for motion detection and an electrical switch. In general, it does not matter whether the motion detector switches an incandescent bulb or LED light.
Can a PIR sensor trigger an audible alarm?
A PIR motion sensor alarm is a device which detects the infrared radiation from a moving human body and triggers an an audible alarm. The post discuses 4 simple motion detector circuits using op amp and transistor. We also discuss the pinout details of the standard passive infrared (PIR) sensor RE200B.
Can a Pir work with two identical sensors?
Tried each sensor in turn and worked OK, it’s as if the two PIRs are effecting each others sensor circuits. The PIRs are of different models. I think I’ll rig up a test bed with two identical sensors, because the theory and your comments say it should work – just can’t make it work at the moment in-situ.
What does Pir stand for in motion detector?
Here is a simple circuit that activates a relay alarm when a living being (a human) is detected by the PIR sensor. Here PIR stands for Passive Infrared sensor. It doesn’t produce any infrared radiations to detect the presence of a living being but on the other hand it detects the infrared radiations released by them.
Can a Pir be used as a master and slave?
Most PIRs, and timeswitches for that matter, use the master and slave setup with some exceptions. The diagram was for stand alone PIR`S. If you are using an combined sensor and light unit, you will need to modify the internal wiring of the sensor/light to make this work.