#include <Servo.h>
Servo Servo1;
int Winkel = 0;
int Schritt = 30;
int RLED = 4;
int GLED = 5;
void setup() {
  // put your setup code here, to run once:
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  Servo1.attach(3);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  Servo1.write(Winkel);
  delay(300);
  Winkel = Winkel + Schritt;
  if (Winkel > 180) { 
    Schritt = -Schritt;
  }
  if (Winkel <0) { 
    Schritt = -Schritt;
  }
  if (Winkel >140) { 
    digitalWrite(GLED, HIGH);
    digitalWrite(RLED, LOW);
  }
  if (Winkel <40) { 
    digitalWrite(RLED, HIGH);
    digitalWrite(GLED, LOW);
  }
  Serial.print("Winkel: ");
  Serial.println(Winkel);
  // wenn der Winkel > 140 Grad ist, bitte GLED einschalten (nur GLED)
  // wenn der Winkel < 40  Grad ist, bitte RLED einschalten (nur RLED)
}