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70 Watt Audio Amplifier Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Amplifier Circuits

PIR Motion Sensing Security Light Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: LED and Lamps, Security and Protection

Simple Mobile Phone Signal Jammer Circuit

Last updated on 12 July 2025 by Admin-Lavi 8 Comments

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 […]

Filed Under: Transmitter Circuit

FM Radio Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Audio Circuits

Voice Recorder and Playback Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

Anyone tired of buying expensive voice recorder? This Voice Recorder and Playback Circuit show how to make easy one at home! We can use it to record small message for family or friend. Just press two button one for record and other one to listen. Note: This project is little bit hard than other one. […]

Filed Under: Audio Circuits

Very Low Frequency (VLF) Converter Circuit

Last updated on 12 July 2025 by Admin-Lavi Leave a Comment

This Very Low Frequency (VLF) Converter Circuit talks about one circuit. It can catch very low radio waves VLF from air and make them into sound for hearing. Normal radios do not get these VLF waves but they only work with higher waves. But this circuit is different it can find low waves and change […]

Filed Under: Audio Circuits

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