#define M1 3  // Motor 1 2KW an Pin 3
#define M2 4  // Motor 2 3KW an Pin 4
#define M3 5  // Motor 3 5KW an Pin 5
#define M4 6  // Motor 4 7KW an Pin 6
#define P1 7  // Meldeleuchte P1 an Pin 7

void setup() {
  // put your setup code here, to run once:
  pinMode(M1, INPUT_PULLUP); // Eingaenge
  pinMode(M2, INPUT_PULLUP);
  pinMode(M3, INPUT_PULLUP);
  pinMode(M4, INPUT_PULLUP);
  pinMode(P1, OUTPUT);  // Ausgang
  

}

void loop() {
  // put your main code here, to run repeatedly:
  bool motor_1, motor_2, motor_3, motor_4;
  motor_1 = !digitalRead(M1);
  motor_2 = !digitalRead(M2);
  motor_3 = !digitalRead(M3);
  motor_4 = !digitalRead(M4);
  
  if(!((motor_2 && motor_4) || (motor_2 && motor_3 && motor_1) || (motor_3 && motor_4))) { // Falls ueber 10KW dann Meldeleuchte P1 an
    digitalWrite(P1, HIGH);
    
    } else { // Unter 10KW Meldeleuchte P1 aus
      digitalWrite(P1, LOW);
      }

}