Acoustic Sound Receiver

Posted on Nov 10, 2012

The receiver is an audio amplifier fed by SPKR1, a piezo speaker that is used as a microphone. A scope or headphone

Acoustic Sound Receiver
Click here to download the full size of the above Circuit.

s can be used as a detector. The scope can be triggered horizontally by the transmitted acoustic pulse; the vertical display can be used to drive the delay time, and hence the distance.

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