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Electret Mic to LEDs

By: a guest on May 3rd, 2012  |  syntax: C  |  size: 0.53 KB  |  hits: 30  |  expires: Never
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  1. int analogPin = 0;
  2.  
  3. int led1 = 13;
  4. //int led2 = 12;
  5. //int led3 = 11;
  6. int val = 0;
  7.  
  8. void setup() {
  9.   pinMode(led1, OUTPUT);
  10.   //pinMode(led2, OUTPUT);
  11.   //pinMode(led3, OUTPUT);
  12.   pinMode(analogPin, INPUT);
  13.   Serial.begin(9600);
  14. }
  15.  
  16. void loop() {
  17.   digitalWrite(led1, LOW);
  18.   //digitalWrite(led2, LOW);
  19.   //digitalWrite(led3, LOW);
  20.   val = analogRead(analogPin);
  21.   Serial.println(val);
  22.   if (val > 800)
  23.     digitalWrite(led1, HIGH);
  24.     //digitalWrite(led2, HIGH);
  25.     //digitalWrite(led3, HIGH);
  26.     delay(53);
  27. }
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