#define RS485Transmit HIGH
#define RS485Receive LOW
int RS485Enable = 3;

// outputs relais
int autoladen_relais = 13;
int solarladen_relais = 12;
int netladen_relais = 11;
int camera_relais = 10;
int etrailer_relais = 9;
int koelkastfan_relais = 8;
int waterpomp_relais = 7;
int inverter_relais = 6;
int tracker_relais = 5;
int radio_relais = 4;
int radio_standby_relais = 14;
int wifi_relais = 15;


void setup() {
  Serial.begin(9600);
  pinMode(autoladen_relais, OUTPUT);
  pinMode(solarladen_relais, OUTPUT);
  pinMode(netladen_relais, OUTPUT);
  pinMode(camera_relais, OUTPUT);
  pinMode(etrailer_relais, OUTPUT);
  pinMode(koelkastfan_relais, OUTPUT);
  pinMode(waterpomp_relais, OUTPUT);
  pinMode(inverter_relais, OUTPUT);
  pinMode(tracker_relais, OUTPUT);
  pinMode(radio_relais, OUTPUT);
  pinMode(radio_standby_relais, OUTPUT);
  pinMode(wifi_relais, OUTPUT);

  pinMode(RS485Enable, OUTPUT);

// set all output as low while initializing
  digitalWrite(autoladen_relais, LOW);
  digitalWrite(solarladen_relais, LOW);
  digitalWrite(netladen_relais, LOW);
  digitalWrite(camera_relais, LOW);
  digitalWrite(etrailer_relais, LOW);
  digitalWrite(koelkastfan_relais, LOW);
  digitalWrite(waterpomp_relais, LOW);
  digitalWrite(inverter_relais, LOW);
  digitalWrite(tracker_relais, LOW);
  digitalWrite(radio_relais, LOW);
  digitalWrite(radio_standby_relais, LOW);
  digitalWrite(wifi_relais, LOW);
  delay(100);
  Serial.println("Enter Receiving Keywords: ");
  digitalWrite(RS485Enable, RS485Receive); // always receive data
  delay(100);  // wait for a second
}

void loop() {
  while(Serial.available() == 0){}
  String readStatus = Serial.readString();
  readStatus.trim();
  Serial.println(readStatus);

  if(readStatus == "autoladenOn"){
    digitalWrite(autoladen_relais, HIGH);
  }
  else if(readStatus == "autoladenOff"){
    digitalWrite(autoladen_relais, LOW);
  }
  else if(readStatus == "solarladenOn"){
  digitalWrite(solarladen_relais, HIGH);
    
  }
  else if(readStatus == "solarladenOff"){
  digitalWrite(solarladen_relais, LOW);
    
  }
  else if(readStatus == "netladenOn"){
     digitalWrite(netladen_relais, HIGH);
  }
  else if(readStatus == "netladenOff"){
     digitalWrite(netladen_relais, LOW);
  }
  else if(readStatus == "cameraOn"){
    digitalWrite(camera_relais, HIGH);
  }
  else if(readStatus == "cameraOff"){
    digitalWrite(camera_relais, LOW);
  }
  else if(readStatus == "wifiOn"){
    digitalWrite(wifi_relais, HIGH);
  }
  else if(readStatus == "wifiOff"){
    digitalWrite(wifi_relais, LOW);
  }
  else if(readStatus == "etrailerOn"){
  digitalWrite(etrailer_relais, HIGH);
    
  }
  else if(readStatus == "etrailerOff"){
  digitalWrite(etrailer_relais, LOW);
    
  }
  else if(readStatus == "koelkastOn"){
  digitalWrite(koelkastfan_relais, HIGH);
    
  }
  else if(readStatus == "koelkastOff"){
  digitalWrite(koelkastfan_relais, LOW);
    
  }
  else if(readStatus == "waterpompOn"){
   digitalWrite(waterpomp_relais, HIGH);
  }
  else if(readStatus == "waterpompOff"){
   digitalWrite(waterpomp_relais, LOW);
  }
  else if(readStatus == "inverterOn"){
      digitalWrite(inverter_relais, HIGH);
  }
  else if(readStatus == "inverterOff"){
      digitalWrite(inverter_relais, LOW);
  }
  else if(readStatus == "trackerOn"){
     digitalWrite(tracker_relais, HIGH);
  }
  else if(readStatus == "trackerOff"){
     digitalWrite(tracker_relais, LOW);
  }
  else if(readStatus == "radioOn"){
     digitalWrite(radio_relais, HIGH);
  }
  else if(readStatus == "radioOff"){
     digitalWrite(radio_relais, LOW);
  }
  else if(readStatus == "radioSTOn"){
    digitalWrite(radio_standby_relais, HIGH);
  }
  else if(readStatus == "radioSTOff"){
    digitalWrite(radio_standby_relais, LOW);
  }
}