Underwater microphone


Posted on Dec 22, 2012

This circuit uses a TBA820 audio 1C to amplify underwater sounds. The microphone must be waterproofed. This project was originally used in a home aquarium to monitor fish sounds.


Underwater microphone
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Car Battery Charger
DC-Coupled Audio Amplifier Circuit
5x10 vu meter
Unijunction Transistor Tutorials
A combination of common-source grounded base amplifier formed by cascaded amplifier



Top