Category Archives: Audio Circuits
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Jet engine sound generator
Leave a commentAugust 9, 2013 by todayscircuits
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[TC] Haunted House Sound Effects Machine(Rasberry Pie)
Leave a commentJune 22, 2013 by todayscircuits
People have been asking me about interesting applications for the Raspberry Pi, and whether Raspberry Pi is an Arduino killer …
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Multi-channel audio mixer circuit using LM3900
2August 8, 2011 by todayscircuits
LM3900 multi-channel audio mixer. A simple multi-channel audio mixer circuit using LM3900 quad amplifier is given below. The circuit consists …
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Jet engine sound generator
Leave a commentJune 28, 2011 by todayscircuits
Description.This jet engine sound generator circuit is based on the sound generator IC HT2844P from Holtek Semiconductors. This particular IC …
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Voice modulator circuit
Leave a commentJune 28, 2011 by todayscircuits
Description.This is a very versatile voice modulator circuit using IC HT8950A from Holtek Semiconductors. The IC is capable of creating …
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>Low pass filter for subwoofer
2June 25, 2011 by todayscircuits
> Description.Many low pass filter circuits for subwoofer are given here and this is just another one. The circuit given …
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>Speaker to microphone converter circuit
Leave a commentJune 13, 2011 by todayscircuits
> Description.This circuit is a simple approach for converting a loud speaker into a microphone. When the sound waves fall …
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>Converting CD-ROM drive to audio CD player
Leave a commentJune 11, 2011 by todayscircuits
> Description. Here is the simplest scheme for converting a CD ROM drive of your computer to a Audio CD …
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>FM adaptor circuit for car stereo
Leave a commentJune 11, 2011 by todayscircuits
> Description. With this compact FM adaptor circuit plugged into the audio out of your cassete player or i Pod …
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>24W amplifier using TDA1516
Leave a commentJune 10, 2011 by todayscircuits
> Description.Here is the circuit diagram of a simple 24W mono amplifier using IC TDA1516.The TDA1516 is an integrated class …
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