Electret Microphone Amplifier - MAX9814

LED Volume Indicator using Electret Microphone Amplifier - MAX9814

Hello World

Import programMAX9814_LED_Sound_Indicator

Program to control Electret Microphone Amplifier - MAX9814 from adafruit. Allows: To sample analogue voltage to transform into rough sound level. Transfer sound level to visual indicator, volume bar such as 4 LEDs on LPC11U24.

Library

Import libraryMAX9814_Electret_Microphone_LED_Volume_Indicator

Library to control Electret Microphone Amplifier - MAX9814 from adafruit. Allows: To sample analogue voltage to transform into rough sound level. Transfer sound level to visual indicator, volume bar such as 4 LEDs on LPC11U24.

Datasheet

http://www.adafruit.com/datasheets/.pdf

Notes

Program/Library to control Electret Microphone Amplifier - MAX9814 from adafruit. Allows: To sample analogue voltage to transform into rough sound level. Transfer sound level to visual indicator, volume bar such as 4 LEDs on LPC11U24.

Available from: http://www.adafruit.com/product/1713

Wiring/Connectivity

Requires only 3 wires.

Attatch VCC and GND from MAX9814 Microphone to mbed. Attach 'Out' from MAX9814 Microphone to 'Analogue In' pin mbed.

Configure in main which 'Analogue In' pin selected.


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