const int ledPin = 13;
const int motor1 = 2;
const int motor2 = 4;
bool ledState = true;

// Functions
// void forward(void);
// void brake(void);

void setup() {
  Serial.begin(9600);
  pinMode(ledPin, OUTPUT);
  pinMode(motor1, OUTPUT);
  pinMode(motor2, OUTPUT);
}

void loop() {
  forward(4000);
  brake();
  delay(1000);
}

void forward(int duration) {
  Serial.println("FORWARDS");
  digitalWrite(motor1, HIGH);
  digitalWrite(motor2, HIGH);
  digitalWrite(ledPin, HIGH);
  delay(duration);
}

void brake(void) {
  digitalWrite(ledPin, LOW);
  Serial.println("BRAKE");
  digitalWrite(motor1, LOW);
  digitalWrite(motor2, LOW);
}