In this post I have explained a simple low/normal battery voltage status indicator circuit through a flashing and a constant LED, where the flashing LED indicates a normal status while […]
Indicator Circuits
Car Radiator Hot Indicator Circuit
The proposed circuit is very useful which warns the car driver before hand once the radiator gets heated up above the preset level. How it Works The working of this […]
Bird in the Nest Indicator Circuit
In this post I have explained a simple infrared based proximity sensor circuit which is implemented to study birds and their behavior, by installing the circuit beside artificially made bird […]
Car Speed Limit Warning Indicator Circuit
In the following post I have explained a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a […]
Simple Water Level Indicator Circuits (with Images)
A water level indicator is an electronic circuit which indicates the various levels of water inside a tank. This happens when rising or dropping water levels come in contact with […]
IC 741 Low Battery Indicator Circuit
The proposed circuit was requested by one of the avid readers of my blog. It is a low battery warning indicator circuit using op amp IC 741 and can be […]
