#include <LiquidCrystal_I2C.h>
#include <DHT.h>>
LiquidCrystal_I2C lcd(0x27, 20, 4);
#define VR 36
#define LED 13
#define DHTPIN 25
#define DHTTYPE DHT22
DHT dht(DHTPIN,DHTTYPE);


void setup() {
  pinMode(LED, OUTPUT);
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  lcd.init();
  lcd.backlight();
  dht.begin();

}

void loop() {
  int Vp = analogRead(VR);
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true); //องศาฟาเรนไฮ = true
  Serial.println(Vp);
  if (Vp > 2047){
    digitalWrite(LED, LOW);
    lcd.setCursor(0,1);
    lcd.print("Value = ");
    lcd.setCursor(9,1);
    lcd.print(h);
    delay(5000);
    lcd.print(t);
    delay(5000);
    lcd.print(f);
  }else{
    digitalWrite(LED, HIGH);
    /*Serial.println(h);
    Serial.println(t);
    Serial.println(f);*/
    lcd.setCursor(9,1);
    lcd.print("          ");
    //lcd.clear();
  }
  delay(250); 
}