Cable TV Amplifier Circuit uses small wire to send signal. When signal goes far it become weak. Like small radio, cable TV amplifier make signal strong again. This helps people get better and clear picture. Circuit Working: Parts List: Component Quantity Resistors (All resistors are 1/4 watt) 680Ω 1 820Ω 1 75Ω 1 100Ω 1 […]
Simple Electronic Code Lock Circuit
This is easy and Simple Electronic Code Lock Circuit. To open door or box no need of key we can use special code instead. This circuit uses buttons and code to the open lock. Only correct code can open and wrong code will not work. Circuit Working: Parts List: Component Quantity Resistors (1/4 watt) 1k […]
70 Watt Audio Amplifier Circuit
70 Watt Audio Amplifier Circuit teaches us about one amplifier circuit. It makes sound louder using special parts call MOSFETs which is the type of transistor. Why this transistor is good for amplifier: Note: This circuit is little hard to make than the other projects. Circuit Working: Parts List: Component Quantity Resistors (All resistors are […]
PIR Motion Sensing Security Light Circuit
This PIR Motion Sensing Security Light Circuit is a very nice project for person who love electronics. The light in this circuit have special sensor for security. Normal switch are used to turn light ON and OFF by hand. But this light is different it is having motion sensor inside. Sensor can see the movement […]
Simple Mobile Phone Signal Jammer Circuit
Simple Mobile Phone Signal Jammer Circuit is device that stop signal between phone and tower. It does this by using same radio frequency like phone and to make communication not to work. This small circuit can block call and message on 3G, 4G and also old network. Three main part inside jammer: First is the […]
FM Radio Circuit
FM Radio Circuit is an electric brain for the machine. FM radio circuit is small electric system. It catches FM radio waves and changes to sound we can hear. This circuit use parts like antenna, mic, speaker, and some wires which is used in many radios to listen music or voice. Below are few type […]