Maximilian Rank - Arduino mit Motor und Abstandsschalter

int sensor = 13;
int M1 = 7;
int E1 = 6;
int M2 = 5;
int E2 = 4;

void setup() {
  pinMode(sensor, INPUT);
  pinMode(M1, OUTPUT);
  pinMode(M2, OUTPUT);
}

void loop () {
  if(digitalRead(sensor) == LOW) {
    digitalWrite(M1, HIGH);
    digitalWrite(M2, HIGH);
    analogWrite(E1, 200-54);
    analogWrite(E2, 200);
  } else {
    digitalWrite(M1, LOW);
    digitalWrite(M2, LOW);
    analogWrite(E1, 0);
    analogWrite(E2, 0);
  }
}