#define Enable1 9  // PWM pin  connects to Enable 3,4 driver pin 
#define IN1 4     // digital pin connects to input 3
#define IN2 2     // digital pin connects to input 4
#define CW_BT 6   // connect to first button 
#define CCW_BT 7  // connect to second button 
int Forward;      // define a variable to save first button state 
int Revers;      // define a variable to save sec button state 

void setup() {
   pinMode(Enable1,OUTPUT); //define Enable  pin as output pin
   pinMode(IN1,OUTPUT);     //define input3  pin as output pin
   pinMode(IN2,OUTPUT);     //define input4  pin as output pin
  pinMode(CW_BT,INPUT);     //define Button 1  pin as input pin
  pinMode(CCW_BT,INPUT);    //define Button 2  pin as input pin
  analogWrite(Enable1, 255);  // Moves motor at maximum speed
}

void loop() {
  Forward = digitalRead(CW_BT); //Read button1 status
  Revers = digitalRead(CCW_BT); //Read button2 status
  if(Forward ==1){          //If Button 1 pressed moves motor clockwise
  digitalWrite(IN1,LOW);    // input3 is 1 and input 4 is 0 to move CW
  digitalWrite(IN2,HIGH);   //
   delay(2000);             //moves for 2 second then leave the loop
  }
 if(Revers ==1){            //If Button2 pressed moves motor counterclockwise
  digitalWrite(IN1,HIGH);   // input4 is 1 and input 3 is 0 to move CCW
  digitalWrite(IN2,LOW);
  delay(2000);              //moves for 2 second then leave the loop
 }
 else{                       //if no buttons pressed the motor will not moves
  digitalWrite(IN1,LOW);
  digitalWrite(IN2,LOW);
 }}