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electronics circuits diagrams,hobbyists zone


Audio circuits include audio related circuits like amplifier, music circuits and other sound generating circuits.

Audio Circuits

Stereo Channel Selector

Low cost intercom using transistors

Infrared Head Phones

Use the CD-ROM drive as a audio CD player without the computer

Audio Visual Indicator for Telephones

Ultrasonic pest repellent

Sound Controlled Filp Flop

Ultrasonic Switch

Digital Volume Control

Audio Light Modulator

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