Electret Microphone - MAX4466 Amplifier

The Electret microphone amplifier breakout board comes with a 20-20KHz electret microphone soldered on. For the amplification, the board uses the Maxim MAX4466, an op-amp chosen for power supply noise rejection.

Hello World

Import programMAX4466_Hello_World

This hello world utilizes the basic functions setup in the MAX4466 library to indicate volume levels read from the microphone using the 4 LEDs built in to the MBED

Library

Import libraryMAX4466

This library sets up and LED volume indication function and reading values from the Electret Microphone - MAX4466 Amplifier

Datasheet

http://www.adafruit.com/datasheets/MAX4465-MAX4469.pdf

Notes

Microphone Datasheet: http://www.adafruit.com/datasheets/CMA-4544PF-W.pdf

Notebook Page: https://developer.mbed.org/users/mgolino/notebook/max4466---adafruit-electret-microphone-/#

Hello World Video Demo:


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