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 circuit diagram of 3V strobe light miniature. The strobe lights are generally used to create nice looking visual effects in disco halls […]

This is the schematic diagram of LED indicator for 220V AC Mains which can be used to indicate that the cable lines is connected to […]

This is 220V 800W lamp flasher circuit directly connected to 220V mains. One or more lamp which has high consumption / power can be used. […]

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 LED emergency light that will turned on automatically when mains supply fails, and turned off when mains power resumes. This circuit produces highly […]

This is the circuit diagram of 230V automatic night lamp based photo resistor to sensing the light environment. When the condition is dark enough, the […]

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 […]

This is a simple and easy built electronic candle circuit which build using TTL (transistor-transistor logic) that are 74LS164, 74LS86 and 74LS00. This circuit will […]