Cheap Motorcycle Alarm
This is simple to build and cheap motorcycle alarm circuit which could be fitted in motorcycles to take care of…
Ticking Bomb Sound Generator
Here the low cost and easy build circuit of ticking bomb sound generator. This circuit generates a sound matching to…
White Line Follower
This is the circuit diagram of white line follower toy. The actuator of the toy is the DC motor. This…
Cheap Hearing Aid
Here the cheap hearing aid to help people who have hearing loss. Commercially available assistive hearing devices are quite expensive.…
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…
Remote Control Tester
Here is the remote control tester circuit. This circuit is really a simple and easy tester for verifying the basic…
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…
220V / 200W Lamp Flasher
This is the 220V / 200W lamp flasher circuit diagram. The frequency/speed of the lamp flashing can be adjust with…
Color Sensor
This is the color sensor circuit diagram. Color sensor is definitely an exciting project for hobbyists. The circuit can sense…