/*
Flash trigger
2014 Ope Oladipo
 */


int mic = A3; 							//Initialize the mic

int flashPin = 8;						//initialize the flash pin

int threshold = 400;


void setup() {							// the setup routine runs once when you press reset:

  
  Serial.begin(9600);					// initialize serial communication at 9600 bits per second:
 
  pinMode(mic, INPUT);					//set mic as input
  pinMode(flashPin, OUTPUT);			//set flashpin as output
	
  
  digitalWrite(flashPin, LOW); 			//make sure the flashpin has no current initially 
}


void loop() {							// the loop routine runs over and over again forever:
  
  int micValue = analogRead(mic);	// read the input pin:
  
 //Serial.println(micValue);
 //delay(70);        					// delay in between reads for stability

  if (micValue < threshold ) {
     Serial.println("sound");
     digitalWrite(flashPin, HIGH);       // flash goes off
     digitalWrite(flashPin, LOW);   
    
     delay(1100);						//for stability
    

  }
  
  
}