Here is the simple and low cost mosquito repellent circuit design. The circuit serves to keep the mosquitoes out of the room or the location […]

This is the electronic bicycle directional lights circuit that use inexpensive components and is a good substitute to many commercially available versions in the marketplace. […]

This is the electronic circuit diagram of metronome sound generator. The circuit featured adjustable volume and beats/minute with potentiometers. LED used to be a beat […]

This is the circuit diagram of electronic quiz button table. This circuit is simple, easy to built and of course it is not expensive. This […]

This is the circuit diagram of game scoring display using 7 segment LED. This circuit consist of a timer IC, two decade counters and a […]

This is the circuit diagram of Clap On / Off Switch. The circuit allows you to operate your lighting or any circuit device which use […]

This is the traffic baton circuit which available in two versions that are traffic baton with LED flasher and traffic baton with bulb flasher. Both […]