Author: Max Bellamy
Have you ever wondered how your car security alarm works? Contrary to what you might think, car alarms are actually pretty simple devices – they’re just a set of sensors connected to a siren.A car security alarm typically has six parts – a siren (the device responsible for making the noise) and five sensors (window, door, pressure s, shock, motion and tilt sensors). The simplest car security alarms work mechanically – if someone tries to force the door open, for example, the car door sensor sends a signal to the siren, which in turn makes loud sounds.
