This AVC Automatic Volume Control Circuit work like auto volume knob, as it hears the sound coming like music or talking and then change volume by itself. Also, if the music plays at a low volume, the circuit makes it louder and if the music becomes very loud, the circuit reduces the volume slightly. Hence, […]
Audio Circuits
Infrared Wireless Headphone Circuit
Anyone can make its own wireless headphones using this Infrared Wireless Headphone Circuit, as this circuit sends sound by using infrared light but not with wire. So we can move around easily while listening and we can also control it from far like change volume or songs. What is a Infrared Headphones Receiver Circuit: The […]
35 Watt Bridge Amplifier Circuit using TDA2030 IC
This 35 Watt Bridge Amplifier Circuit using TDA2030 IC show how to make 35 watt amplifier circuit, as this circuit is also very powerful. Here, the circuit uses a special chip called TDA2030 in a different configuration to produce double the power output and make the speaker sound louder. Hence, be careful circuit uses high […]
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 […]
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 […]