//L293D
//Motor A
const int in1  = 9;  // Pin 14 of L293
const int in2  = 10;  // Pin 10 of L293
//Motor B
const int in3  = 7; // Pin  7 of L293
const int in4  = 6;  // Pin  2 of L293
int buttonPin = A5;
int buttonValue = 1;
int currentState = 0;
int SoundInPin = A7;


//This will run only one time.
void setup(){

   //Set pins as outputs
   pinMode(in1, OUTPUT);
   pinMode(in2, OUTPUT);
   pinMode(in3, OUTPUT);
   pinMode(in4, OUTPUT);
   pinMode(buttonPin, INPUT_PULLUP);
   pinMode(SoundInPin, INPUT);
   Serial.begin(9600);

   }

void loop() {
    buttonValue = digitalRead(buttonPin);
  if (buttonValue == LOW) {
    if (currentState == 0) {
      currentState = 1;
         digitalWrite(in3, HIGH);
         digitalWrite(in4, LOW);
         delay(500);
    }
    else {
      currentState = 0;
      digitalWrite(in3, LOW);
      digitalWrite(in4, LOW);
      delay(500);}
  }
    // read the input on analog pin 0:
  int sensorValue = analogRead(SoundInPin);
  Serial.println(sensorValue);
  // print out the value you read:
  sensorValue = map(sensorValue,0,512,0,180);
  if (sensorValue > 12){
    delay (1);
    digitalWrite(in1, HIGH);
    digitalWrite(in2, LOW);
    delay (150);}
  if (sensorValue < 12){
    delay (1);
    digitalWrite(in1, LOW);
    digitalWrite(in2, HIGH);
    delay (30);}

}