To begin with, this is easy and Simple Electronic Code Lock Circuit; to open door or box no need of key we can use special code instead. Also, this circuit uses buttons and code to the open lock, so only correct code can open and wrong code will not work. Circuit Working: Parts List: Components […]
70 Watt Audio Amplifier Circuit
70 Watt Audio Amplifier Circuit teaches us about one amplifier circuit, which 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: Components 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. Furthermore, this circuit uses a special sensor for security; unlike normal switches that turn lights ON and OFF manually, this light includes a built-in motion sensor. Here, the sensor can see the movement like someone is walking and […]
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. Also, this small circuit can block call and message on 3G, 4G and also old network. Here, three main part inside jammer are: […]
FM Radio Circuit
FM Radio Circuit is an electric brain for the machine and it is also a small electric system which catches FM radio waves and changes to sound we can hear. This circuit also uses components such as an antenna, microphone, speaker and connecting wires, which are commonly used in many radios to receive music or […]
Voice Recorder and Playback Circuit
Does anyone get tired of buying expensive voice recorders? then this Voice Recorder and Playback Circuit show how to make easy one at home! Also, we can use it to record small message for family or friend, by just pressing two button one for record and other one to listen. Note: This project is little […]