/*
Rote led Netz K1     pin:2
Grüne led Stern k2   pin:3
Blaue led Dreieck K3 pin:4
dip 1 = start //S1   pin:5  
dip 2 = aus   //S0   pin:6
Drehzahl Motor M3    pin:A1
*/

#define K1 2 
#define K2 3
#define K3 4
#define S1 5
#define S2 6
#define M3 A1
unsigned long startwert ;
bool flag;
bool x;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(K1, OUTPUT);
  pinMode(K2, OUTPUT);
  pinMode(K3, OUTPUT);
  pinMode(S1, INPUT_PULLUP );
  pinMode(S2, INPUT_PULLUP);
  pinMode(M3, INPUT_PULLUP);
  millis();
}

void loop() {
  // put your main code here, to run repeatedly:
  Start();
  
  
}
bool Notausan(){
if(!digitalRead(S2)){
  return true; 
}else{
  return false;
}
}
float PotenzUmrechnenn(){
  float Potenz= analogRead(A1);
  Potenz=Potenz/1023;
  return Potenz*2000;
}

void Start(){
  float x = PotenzUmrechnenn();
  //Serial.println(millis());
  if(!digitalRead(S1)){
    if(flag == false){
      //Serial.println(startwert);
      startwert = millis();
      flag=true;
      //Serial.println(startwert);
    }
  }
  //S0 = aus 
 if(Notausan()==true){
      digitalWrite(K1,LOW);
      digitalWrite(K2,LOW);
      digitalWrite(K3,LOW);
      flag = true ;
      
 }
 else if(millis()-startwert>=5000){
    startwert=0;
    if(Notausan()==false&&!digitalRead(S1)){
      if(x<1400){
        
          digitalWrite(K3, LOW);
          digitalWrite(K1,HIGH);
          digitalWrite(K2,HIGH);
         flag = false;
      }else if(x>1400){
        digitalWrite(K1, HIGH);
        digitalWrite(K2, LOW);
        digitalWrite(K3, HIGH);
        flag = false;
      }
    } 
  }
 }