#include <DHT.h>
#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
#define DHTPIN 3
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

// Custom symbols for temperature and humidity
byte customSymbol1[8] = {
  B00100,
  B00100,
  B00100,
  B01110,
  B10001,
  B10001,
  B01010,
  B00100
};
byte customSymbol2[8] = {
  B01110,
  B00100,
  B01110,
  B00100,
  B01110,
  B00100,
  B01110,
  B00100
};

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  dht.begin();

  // Create and display custom symbols
  lcd.createChar(0, customSymbol1); // Use index 0 for the first custom symbol
  lcd.setCursor(0, 0);
  lcd.write(byte(0));

  lcd.createChar(1, customSymbol2); // Use index 1 for the second custom symbol
  lcd.setCursor(0, 1);
  lcd.write(byte(1));
}

void loop() {
  delay(2000);

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

  lcd.setCursor(0, 0);
  lcd.print("Hum: ");
  lcd.write(byte(0)); // Display the first custom symbol for humidity
  lcd.print(h);
  lcd.print("%");

  lcd.setCursor(0, 1);
  lcd.print("Temp: ");
  lcd.write(byte(1)); // Display the second custom symbol for temperature
  lcd.print(t);
  lcd.print("*C");
}