Musical Electronic Bell
This is a very simple musical electronic bell. In this circuit when the push-button(S1) is pushed, current starts flowing through the....
Circuits
MW Transmitter
This transmitter can be used as an inter-room radio telephone. The communication range of this transmitter is few meters....
NiCd Cell Charger
The project of nickel–cadmium cell charger shown here uses IC(7808) and transistor (BC547B). The transformer TR1....
Simple Traffic Light Controller
This circuit is self explanatory by its name, and can be used to control traffic in public places, or to demonstrate traffic rules....
Audio Amplifier
This is a very simple and low cost audio amplifier. Small modification in this circuit can be done to use along ....