The post discusses a 2 tone bell chime circuit which can be used as a door bell for getting a twin tone melodious sound, whenever someone presses the given bell […]

In this article we will discuss about many useful and best alarm application circuits. High Power Alarm Driver Circuit In such a circuit, a less powered SCR is employed to […]

Sound alarm generators are essential in several applications, for example fire and burglar alarm techniques. This specific circuit creates a infiltrating two tone alarm signal possessing an output power of […]

THE RISE in crime rate is normal to the overall western world, and is apparently relevant to wealthiness instead of to poverty as was formerly assumed by a lot of […]

This anti theft automobile alarm circuit can be used for safeguarding cars and automobiles from thieves and burglars. THIS KIND OF UNIT FUNCTIONS through the vehicle supply, and it is […]

This temperature alarm circuit permits a concurrent checking of a maximum of four temperatures. The individual detectors are attached to the main control unit by using a set of wires. […]