int I1,I2,I3,I4;
int Q1 = 0;
int Q2 = 0;
void setup()
{
  Serial.begin(115200);
  pinMode(2, INPUT_PULLUP);
  pinMode(3, INPUT_PULLUP);
  pinMode(4, INPUT_PULLUP);
  pinMode(5, INPUT_PULLUP);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  digitalWrite(7, LOW);
  digitalWrite(8, LOW);
  analogWrite(9, 0);
}
void loop() {
  I1 = digitalRead(2); //Taste Hoch
  I1 = !I1;
  I2 = digitalRead(3); //Taste Runter
  I2 = !I2;
  I3 = digitalRead(4); //Tisch ist Oben
  I3 = !I3;
  I4 = digitalRead(5); //Tisch ist Unten / Quetschsensor
  I4 = !I4;
  
  
  //Q1 = Motor Hoch
  if(I3&!Q2&!I2&&I1){
    Q1=1;
  }
  if(Q1&&(!I3|!I1)){
    Q1=0;
  }
  
  //Q2 = Motor Runter
  if(I4&!Q1&!I1&&I2){
    Q2=1;
  }
  if(Q2&&(!I4|!I2)){
    Q2=0;
  }
  
  if(Q1){
    digitalWrite(7, HIGH);
    analogWrite(9, 255);
  }else{
    digitalWrite(7, LOW);
    analogWrite(9, 0);
  }
  if(Q2){
    digitalWrite(8, HIGH);
    analogWrite(9, 120);
  }else{
    digitalWrite(8, LOW);
    analogWrite(9, 0);
  }
  
}