This code/sketch displays the approximate frequency as well as the musical note played on an electronic keyboard or piano app.
Project tutorial by lbf20012001
This Arduino project displays the approximate frequency of the loudest sound detected by a sound detection module.
In this project, I create a sound location finder. This circuit can be used as the basic building block to a robot that reacts to sound.
In this video, I test two DAOKI microphone sensors with my Arduino Uno to create a sound direction tester.
The project will allow you to remotely turn your digital TV antenna to maximize your TV channel reception and channel strength.
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