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.
Dependencies: MAX9814_Electret_Microphone_LED_Volume_Indicator mbed
Diff: Hammer_MicrophoneSensor.h
- Revision:
- 2:204df97fe23a
- Parent:
- 1:380e6ab41172
- Child:
- 3:0e670b36b3d6
--- a/Hammer_MicrophoneSensor.h Sun Nov 02 17:12:22 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,29 +0,0 @@
-#ifndef MBED_MIC_H
-#define MBED_MIC_H
-
-#include "mbed.h"
-
-class MAX9814 {
-
-public:
-
- MAX9814(PinName pin);
-
- void led_array(float x);
-
- void volume_indicator();
-
- float calibration();
-
- float sound_level();
-
-protected:
- AnalogIn _pin;
- BusOut _led1, _led2, _led3, _led4;
- float _value,_sum,_average;
- int _count;
- float _sample;
- Timer _t,_t1;
-};
-
-#endif
\ No newline at end of file
Andrea Corrado
Electret Microphone Amplifier - MAX9814