The proposed TV remote jammer circuit can be used for freezing and scrambling all TV remotes under the specified vicinity. How TV Remote Works As we all know the fundamental […]
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2 Simple School Bell Timer Circuits Explained
In this article we learn two very useful school bell timer circuits which can be used for ringing school bell automatically for each period as per the set time duration. […]
10 Simple LED Chaser Circuits Explained [Knight Rider, Scanner, Reverse-Forward, Cascaded]
The article discusses the construction of 10 interesting yet simple LED chaser circuits, which not only create beautiful running light effect but are also easy to build. We also discuss […]
Simple Buck-Boost Converter Circuits Explained
The post explains s few simple DC to DC buck-boost converter circuits which can be used for either stepping up the input DC voltage or stepping down the input DC […]
Car Speed Limit Warning Indicator Circuit
The following post describes a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a possible over speed […]
Low Battery Indicator Circuit Using Two Transistors Only
The following post describes a simple low battery indicator circuit by using just two inexpensive NPN transistors. The main feature of this circuit is its very low stand by current […]