555 timer IC

Light fence circuit is used to detect the presence of any human or object in a particular area. The detecting range of Light...

Capacitors seem all fine till you get to the point where a power supply fails or refuses to perform optimally. And if the...

Frequency is defined as number of cycles per second. It can also be defined as reciprocal of total time ‘T’. In this project...

Snubbers are the energy absorbing circuits used to smooth the voltage spikes caused due to the circuit’s inductance. Sometimes...

Frequency Dividers are the circuits which divide the input frequency by n (any integer number), means if we provide some signal...

Door alarm is a very common and useful device for security purpose. They are used to detect whether the Door is open or closed...

Here, we are going to show you how to make an LED Roulette Circuit using 555 timer IC, before starting the tutorial let you...

Door Bells are available in lot of variations in market which generate different sounds but the most common sound of a Door...

The name of the circuit itself infers the application. This circuit triggers the alarm if the door of Fridge is left open for...

Quiz is an important event in any school/College institution to test the knowledge of the participants. In order to increase...

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