//proyek motodc driver
      const int ENA_PIN = 9; // the Arduino pin connected to the EN1 pin L298N
      const int IN1_PIN = 6; // the Arduino pin connected to the IN1 pin L298N
      const int IN2_PIN = 5; // the Arduino pin connected to the IN2 pin L298N

      // the setup function runs once when you press reset or power the board
      void setup() {
        // initialize digital pins as outputs.
          pinMode(ENA_PIN, OUTPUT);
            pinMode(IN1_PIN, OUTPUT);
              pinMode(IN2_PIN, OUTPUT);
              }

              // the loop function runs over and over again forever
              void loop() {
                digitalWrite(IN1_PIN, HIGH); // control motor A spins clockwise
                  digitalWrite(IN2_PIN, LOW);  // control motor A spins clockwise

                    for (int speed = 0; speed <= 255; speed++) {
                        analogWrite(ENA_PIN, speed); // control the speed
                            delay(10);
                              }

                                delay(1000); // rotate at maximum speed 1 seconds in in clockwise direction

                                  // change direction
                                    digitalWrite(IN1_PIN, LOW);   // control motor A spins anti-clockwise
                                      digitalWrite(IN2_PIN, HIGH);  // control motor A spins anti-clockwise

                                        delay(1000); // rotate at maximum speed 1 seconds in in anti-clockwise direction

                                          for (int speed = 255; speed >= 0; speed--) {
                                              analogWrite(ENA_PIN, speed); // control the speed
                                                  delay(10);
                                                    }

                                                      delay(1000); // stop motor 1 second
                                                      }