Cheap Motorcycle Alarm

This is simple to build and cheap motorcycle alarm circuit which could be fitted in motorcycles to take care of…

55 years ago

Ticking Bomb Sound Generator

Here the low cost and easy build circuit of ticking bomb sound generator. This circuit generates a sound matching to…

55 years ago

White Line Follower

This is the circuit diagram of white line follower toy. The actuator of the toy is the DC motor. This…

55 years ago

Cheap Hearing Aid

Here the cheap hearing aid to help people who have hearing loss. Commercially available assistive hearing devices are quite expensive.…

55 years ago

220V AC Lamp Touch Dimmer

Here the 220V AC lamp touch dimmer circuit. By only touching this touch dimmer you are able to increase the…

55 years ago

Remote Control Tester

Here is the remote control tester circuit. This circuit is really a simple and easy tester for verifying the basic…

55 years ago

4-Output Stage (5V/6V/9V/12V) Stabilized DC Power Supply

This is definitely an effective 4-output stage stabilized DC power supply unit for testing electronic circuits. It delivers very well…

55 years ago

220V / 200W Lamp Flasher

This is the 220V / 200W lamp flasher circuit diagram. The frequency/speed of the lamp flashing can be adjust with…

55 years ago

Color Sensor

This is the color sensor circuit diagram. Color sensor is definitely an exciting project for hobbyists. The circuit can sense…

55 years ago