IRJET- Conceptual Study of Pyroelectric Infrared (PIR) based Security System with Minimum Power Consumption (original) (raw)

The working of the Room Monitoring System Using PIR Sensor depends upon the infrared Radiation. The house security system becomes the best solution to overcome house intrusion problem when user is not in house. The infrared motion detector is capable to detect the motion while the PIR is capable to control the whole operation of the security system. Pyroelectric infrared (PIR) Sensor Module for human body detection circuit. High sensitivity and low noise output is a standard 5volt active low output signal. Module provides an optimized circuit that will detect motion up to 6 meters away and can be used in burglar alarms and access control system. Inexpensive and easy to use, it's ideal for alarm systems, motion-activated lightning, holiday props, and robotics applications. The output can be connected to microcontroller pin directly to monitor signal or a connected to transistor to drive DC loads like a bell, buzzer, siren, relay. The PIR sensor and Fresnel lens are fitted on to the PCB. This enables the board to be mounted inside a case with the detecting lens protruding outwards.

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