#define fan 8
#define primary 10
#define secondary 12

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(fan, OUTPUT);
  pinMode(primary, OUTPUT);
  pinMode(secondary, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(Serial.available() == 1)
  {
    String val = Serial.readString();
    Serial.println(val);
    if(val == "fan on")
    {
      digitalWrite(fan, HIGH);
    }
    if(val == "fan off")
    {
      digitalWrite(fan, LOW);
    }
    if(val == "primary on")
    {
      digitalWrite(primary, HIGH);
    }
    if(val == "primary off")
    {
      digitalWrite(primary, LOW);
    }
    if(val == "secondary on")
    {
      digitalWrite(secondary, HIGH);
    }
    if(val == "secondary off")
    {
      digitalWrite(secondary, LOW);
    }
    if(val == "all on")
    {
      digitalWrite(fan, HIGH);
      digitalWrite(primary, HIGH);
      digitalWrite(secondary, HIGH);
    }
    if(val == "all off")
    {
      digitalWrite(fan, LOW);
      digitalWrite(primary, LOW);
      digitalWrite(secondary, LOW);
    }
    if (val == "lights on")
    {
      digitalWrite(primary, HIGH);
      digitalWrite(secondary, HIGH);
    }
    if (val == "lights off")
    {
      digitalWrite(primary, LOW);
      digitalWrite(secondary, LOW);
    }
      
  }
}