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const int motorPin3 = 7;  // IN3
const int motorPin4 = 6;  // IN4
const int enB = 5;        // ENB pin
int speed = 255;

void setup(){
  Serial.begin(9600);
  pinMode(motorPin3, OUTPUT);
  pinMode(motorPin4, OUTPUT);
  pinMode(enB, OUTPUT);
  digitalWrite(motorPin3, HIGH);
  digitalWrite(motorPin4, LOW);
  analogWrite(enB, speed); // Enable Motor B with PWM

  // Forward
 
  delay(2000);
  speed = 155;
  analogWrite(enB, speed);


 
  delay(60000);
  speed = 0;
  analogWrite(enB, speed);
  digitalWrite(motorPin3, LOW);
  digitalWrite(motorPin4, LOW);


 


}

void loop(){
  // Empty loop
}