// connect motor controller pins to Arduino digital pins
// motor one
int enA = 10;
int in1 = 9;                                                      
int in2 = 8;

void setup()
{
  // set all the motor control pins to outputs
  pinMode(enA, OUTPUT);
  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
}

//
//}
void loop()
{
  digitalWrite(in1, 0);
  digitalWrite(in2, 1);  
  analogWrite(enA, 500);
delay(5000);

   digitalWrite(in1, 1);
  digitalWrite(in2, 0);  
    analogWrite(enA, 500);
delay(5000);

}