/*
int intRelayPin = 2;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode( intRelayPin, OUTPUT);
  Serial.println("Hello, ESP32!");
}

void loop() {
  digitalWrite( intRelayPin, HIGH);
  Serial.println("Relay, On!");
  delay( 1000);
  digitalWrite( intRelayPin, LOW);
  Serial.println("Relay, Off!");
  delay( 1000);
}
*/
/*
#include "DHT.h"
#define DHTPIN 4     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Start DHT");
  dht.begin();
}
void loop() {
  float intTemperature = dht.readTemperature();
  float intHumidity = dht.readHumidity();
  Serial.println("Temperature " + String(intTemperature) +"c");
  Serial.println("Humidity " + String(intHumidity) +"%");
  delay(2000);
}
*/
#include <LiquidCrystal_I2C.h>
#define I2C_ADDR    0x27
#define LCD_COLUMNS 16
#define LCD_LINES   2
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

void setup() {
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
}
void loop() {
  lcd.setCursor(0, 0); // +1 | c1, r1
  lcd.print("Temerature :");
  lcd.setCursor(0, 1); // +1 | c1, r2
  lcd.print("Humidity : ");
  delay(2000);
  lcd.clear();
}