darkness detector circuit using ldr

A darkness detector is a circuit that detects darkness using light-dependent resistors, it’s used to automatically turn on the lights when it becomes dark. Hardware Components The following components are required to make Darkness Detector … Read more

Darkness Detector Circuit Using LDR

fire alarm circuit using lm358

Fire alarm circuits in commercial buildings like offices, movie theaters, and malls have become a necessity. There are many typical and complex fire alarm circuits available in the form of standalone devices. But this tutorial … Read more

Simple Fire Alarm Circuit using LM358

The Panic Alarm allows a person under duress to quickly call for help in the event of an emergency. There are many types of panic alarm circuits available. Some have a single pushbutton and others … Read more

Simple Panic Alarm Circuit