Mini Voice Operated Relay

55 years ago

This is the circuit diagram of a voice operated relay. It similar with sound activation switch circuit which will turn…

ATmega8535 Line Follower Robot

55 years ago

This is the circuit diagram of ATmega8535 Line Follower / Line Tracker robot. The circuit taken from the tutorial documentation.…

ATmega16 Line Follower Robot

55 years ago

Here the complete electrical circuit diagram of line follower robot which built based on ATmega16. There are three modules of…

Wireless Car Alarm

55 years ago

This circuit is a wireless car alarm system that is built using two circuit modules, namely modules of transmitter and…

Car Alarm Simulator

55 years ago

This is a car alarm simulator which using the LED as a simulation output. This simple circuit can tell you…

250mW RF Power Amplifier

55 years ago

This is an 250mW RF power amplifier circuit project. This circuit is designed to amplify the output of about 7mW…

220V Light Dimmer

55 years ago

This simple 220V light dimmer circuit can be used to adjust the brightness of mains lights. It also can be…

Sound Activated Switch

55 years ago

This is a sound activated switch circuit. It's will turn on and turn off based on a loud sound such…

20W Bridge Amplifier using TDA7240A

55 years ago

This is a simple 20W bridge amplifier based on TDA7240A. This circuit is designed for car audio system, but you…

2 x 70W Power Stereo Amplifier based on IC STA550

55 years ago

Here's the circuit diagram of a 70W stereo power amplifier which built using single power IC STA550. The circuit is…