The following article presents a simple sound operated/activated amplifier muting circuit which enables the amplifier to silence itself as soon a voice or an external sound occurs across the detector MIC. The […]
Audio and Amplifier Projects
10 Band Graphic Equalizer Circuit
The proposed 10 band graphic equalizer circuit can be used in conjunction with any existing audio amplifier system to get an enhanced 10 stage audio processing, and customized tone control. […]
Low Pass Filter Circuit for Subwoofer
The post explains a simple low pass filter circuit which can be used in conjunction with subwoofer amplifiers for acquiring extreme cuts or bass in the frequency range 30 and […]
Voice/Audio Recorder Playback Circuits
The article explains a single chip circuit which can be used for recording and playing back short voice clips or any audio clip ranging from 20 to 60 seconds. About […]
Simplest AM Radio Circuit
The following circuit was taken from an old electronic book, it is indeed a very nice little two transistor radio receiver circuit which utilizes very few components yet is able […]
Make this Musical Greeting Card Circuit
The presented circuit of a musical greeting card circuit was requested by one of the keen readers of this blog, so I designed this interesting little circuit, which is simple and easily […]