What Are The Different Components Of A Alarm System?

Burglar alarms are used in houses, banks and shopping centers etc. There are numerous varieties of burglar alarms but they all are designed to do the same job. The main components of a alarm system would be a sensor, a camera, a motion detector, a buzzer a flash light and batteries.

Sensors

It is a component that is usually used to detect noise or a movement. Sensors are usually connected to the circuit. As soon as it detects the slightest noise or movement it initiates the circuit which results in triggering the buzzer and the flashing light.

Cameras

The camera as everyone knows, it is a gadget which is used to take a snap or video. You must be wondering why this is used for an alarm. Cameras help to show who and how many of them have broken in and hence resulting in identifying the burglar with ease.

Motion detector

This detector sends out bursts of ultrasonic sound waves and then waits for the reflected energy to bounce back. If there is no one interrupting the signal, the radio energy will bounce back in the same pattern. But if somebody enters the area, the reflection pattern is disturbed and the alarm...