'Burglar Alarm System' is a loud warning signal producing device that is tumbled off by the occurrence of a burglary in Littleton. This alarm system signals the occurrence of some undesirable event. This type of alarm system is mainly of two types; they are 'Home burglar alarms' and 'Industrial burglar alarm' systems. In these alarms, the sensors are connected to a control unit through low-voltage wiring which is used to interact with a response device. One of the common security sensors that is utilized to indicate the opening of a door or window or detect any motion is the Passive Infrared (PIR). The PIR is a common detector found mostly in household and small commercial setups in Littleton because it offers inexpensive and reliable functionality.