Eloctronics Circuit Diagrams

Power Supply Failure Alarm and Indicator Circuit Diagram

Theft Preventer Alarm and Indicator Circuit Diagram

Theft Preventer Alarm and Indicator circuit utilizing a 555 timer IC, it can be used as an alarm system to prevent you from theft of your belongings etc. Theft Preventer Alarm and Indicator goes β€˜ON’ when a thin wire which is as thin as a hair is broken. The circuit is easy. It uses a […]

Power Supply Failure Alarm and Indicator Circuit Diagram

Power Supply Failure Alarm and Indicator Circuit Diagram

The majority of the power supply failure indicator circuits have to a separate power supply but the power supply failure alarm circuit presented at this point needs no additional supply source. It uses an electrolytic capacitor to store the adequate charge, to feed the power to the power supply alarm circuit which sounds an alarm […]