#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 3
#define L1 4
#define PA1 5
#define KA2 6
#define PA2 7

#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27,20,4);

void setup() {
  Serial.begin(9600);
  dht.begin();
  lcd.init();
  lcd.backlight();
  pinMode(L1, OUTPUT);
  pinMode(PA1, OUTPUT);
  pinMode(KA2, OUTPUT);
  pinMode(PA2, OUTPUT);
}

void loop() {
  delay(1000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);

  lcd.setCursor(0,0); lcd.print("TEMP:"); lcd.print(t); 
  lcd.setCursor(11,0); lcd.print("HUM:"); lcd.print(h); 
  lcd.setCursor(0,2); lcd.print("L1: ");
  lcd.setCursor(10,2); lcd.print("PA1: ");
  lcd.setCursor(0,3); lcd.print("KA2: ");
  lcd.setCursor(10,3); lcd.print("PA2: ");

  if (t <= 27.00 || t >= 35.00 ) {
    digitalWrite(L1, HIGH);
    lcd.setCursor(4,2); lcd.print("Nyala");
  }
  
  else {
    digitalWrite(L1, LOW);
    lcd.setCursor(4,2); lcd.print("Mati");
  }

  if (t >= 26.00 || h >= 75.00) {
    digitalWrite(KA2, HIGH);
    lcd.setCursor(4,3); lcd.print("Nyala");
  }
  
  else {
    digitalWrite(KA2, LOW);
    lcd.setCursor(4,3); lcd.print("Mati");
  }
  
  if (h <= 75.00 || h >= 90.00) {
    digitalWrite(PA1, HIGH);
    lcd.setCursor(15,2); lcd.print("Nyala");
  }
  
  else {
    digitalWrite(PA1, LOW);
    lcd.setCursor(15,2); lcd.print("Mati");
  }
  if (h >= 75.00) {
    digitalWrite(PA2, HIGH);
    lcd.setCursor(15,3); lcd.print("Nyala");
  }
  
  else {
    digitalWrite(PA2, LOW);
    lcd.setCursor(15,3); lcd.print("Mati");
  }
}