Program for Line following Robot using Ardunio

PROGRAM

int leftInput=A3;

int rightInput=A4;

int leftMotor=13;

int rightMotor=12;

int leftValue = 0;

int rightValue = 0;

void setup()

{

  pinMode (leftMotor, OUTPUT);

  pinMode (rightMotor, OUTPUT);

}

void loop()

{

  leftValue = analogRead (leftInput);

  rightValue= analogRead (rightInput);

 if

   ( leftValue < 945 && rightValue < 945)

   {

     digitalWrite (leftMotor, HIGH);

     digitalWrite (rightMotor, HIGH);

   }

   else

   {

     if

     ( leftValue > 945 && rightValue < 945)

    {

      digitalWrite (leftMotor, LOW);

      digitalWrite (rightMotor, HIGH);

    }

 else {

   if (leftValue < 945 && rightValue > 945)

   {

   digitalWrite (rightMotor, LOW);

   digitalWrite (leftMotor, HIGH);

   }

   else

   {

     if (leftValue > 945 && rightValue > 945)

     {digitalWrite (rightMotor, LOW);

       digitalWrite (leftMotor, LOW);

     }}

      }

    }}