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djpnewton/mic_output.ino

Last active August 29, 2015 14:25
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freetronic sound input module test
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mic_output.ino
/*
Analog input, serial output
Reads an analog input pin, maps the result to a range from 0 to 255
and prints the results to the serial monitor.
The circuit:
* freetronics sound input module with SPL connected to analog pin 0.
* freetronics sound input module with SPL connected to analog pin 2.
*/
// These constants won't change. They're used to give names
// to the pins used:
const int splAdummy = A0;
const int splA1 = A4; // Analog input pin that mic 1 SPL output is connected to
const int splA2 = A5; // Analog input pin that mic 2 SPL output is connected to
int spl1 = 0;
int spl2 = 0;
void setup() {
// initialize serial communications at 115200 bps:
Serial.begin(115200);
}
void loop() {
// read the analog in values:
analogRead(splA2);
delay(10);
spl2 = analogRead(splA2);
analogRead(splA1);
delay(10);
spl1 = analogRead(splA1);
// print the results to the serial monitor:
char buffer[20];
sprintf(buffer, "%04d,%04d\n", spl1, spl2);
Serial.print(buffer);
//delay(100);
}
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