#define AQR_SIM 13 //0-1023
#define LED_R 23
#define LED_G 22
#define LED_B 21
#define Buzzer 19
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(13,INPUT);
  pinMode(23,OUTPUT);
  pinMode(22,OUTPUT);
  pinMode(21,OUTPUT);
  pinMode(19,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  float Percentage = analogRead(AQR_SIM);
  float air_quality = Percentage/40.95;
  Serial.println(air_quality);
  if (air_quality>80){
    digitalWrite(LED_R,LOW);
    digitalWrite(LED_G,HIGH);
    digitalWrite(LED_B,LOW);
    digitalWrite(Buzzer,LOW);
    Serial.println("Optimal Air Quality - Turning Off Filter");
  }
  else if (air_quality>50){
    digitalWrite(LED_R,HIGH);
    digitalWrite(LED_G,HIGH);
    digitalWrite(LED_B,LOW);
    digitalWrite(Buzzer,HIGH);
    Serial.println("Low Air Quality - Activating Filter");
  }
  else{
    digitalWrite(LED_R,HIGH);
    digitalWrite(LED_G,LOW);
    digitalWrite(LED_B,LOW);
    digitalWrite(Buzzer,HIGH);
    Serial.println("Dangerous Air Quality - Contacting Emergency Contact");
  }
  delay(100); // this speeds up the simulation
}