Clap Switch

   Here is a Hobby Circuit for electronics hobbyists that can switch on & off a light, Fan, Radio etc. by the sound of clap. Working: The sound of clap is received by a small microphone that is shown biased by resistor R1 in the circuit. The microphone changes sound Read more…

Traffic Light

Picture of our Traffic Light Project This Traffic Light Circuit can be used to control traffic on roads or in public places.In a Traffic light there are three different color bulb which are Green, Yellow/Amber and Red. This project uses  IC555 as Astable Multivibrator for rapid squire wave pulse generation. This clock Read more…

Touch Switch

Touch Switch Project Thief’s are attracted to expensive things when they come in our houses. We can protect our product or thing by making them touch proof or we can stop any unidentified persons entry in our house by making door and window touch proof. This circuit alert us when Read more…

Solar Cell

How Solar System Works? Learn by Animation The circuit illustrated here is used as Solar Cell. You can get plate from your old faulty solar calculator. Carefully dissemble plate with out tearing its 2 wire. Connect both wire to a LED through a switch. When Solar Plate is kept in Read more…

Rectifier

LESSON ON HALF WAVE RECTIFIER / FULL WAVE RECTIFIER / BRIDGE RECTIFIER A Rectifier converts  AC (Alternating Current) in to DC (Direct Current ). Generally Diode is used as rectifier.  Rectifier uses the property of Diode( semi-conductor device)   to allow flow of current in only one direction.         Read more…

Rain Alarm

GIVES BEEP WHEN WATER IS IN CONTACT WITH THE WIRE Rain Alarm Project Here is an interesting electronics project to detect if there is raining or not. Same circuit can also be used as water level indicator or as a tank overflow indicator. Working: Water is a conductor of electricity. Read more…

Musical Bell

This circuits uses very few component and gives melody sound. It uses 3 terminal IC UM66 and can be build small enough to be placed inside a greeting card and operated off a single 3V flat button cell. There is not much to the circuit. The UM66 is connected to Read more…