#include <DHT.h>//Adafruits lib
#include <LiquidCrystal.h>

DHT dht(22, DHT22); //D7

// LiquidCrystal lcd(D0,D1,D2,D3,D4,D5);
LiquidCrystal lcd(12, 14, 27, 26, 25, 33);  // LCD pins: RS, E, D4, D5, D6, D7

void setup() {
  Serial.begin(9600);
  
  pinMode(23, OUTPUT);  //D8
  dht.begin();
  lcd.begin(16, 2);   // Initialize the LCD with 16 columns and 2 rows
  lcd.clear();    // Clear the LCD screen
}

void loop() {
  delay(2000);  // Delay to allow sensor to stabilize
  
  float temp = dht.readTemperature();  // Read temperature in Celsius
  
  Serial.print("Temperature: ");
  Serial.print(temp);
  Serial.println("°C");
  lcd.clear();  // Clear the LCD screen
  
  lcd.setCursor(0, 0);  // Set cursor to first column, first row
  lcd.print("Temp: ");
  lcd.print(temp);
  lcd.print(" °C");
  
  if (temp >= 20) {
    digitalWrite(23, HIGH);  // Turn on the LED
    lcd.setCursor(0, 1);  // Set cursor to first column, second row
    lcd.print("Alert!");
  } else {
    digitalWrite(23, LOW);  // Turn off the LED D8
  }
}