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

#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

#define DHTTYPE DHT22
#define DHTPIN 10

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

const int buttonPin = 12;
int buttonState = 0;
float h=0;
float t=0;
int n=0;

void setup() {
  
  lcd.init();
  lcd.backlight();

  pinMode(10, INPUT);
  dht.begin();
  Serial.begin(9600);
  
  
}


void loop() {

  buttonState = digitalRead(buttonPin);
while (buttonState == HIGH) {

  h = dht.readHumidity();
  t = dht.readTemperature();
  
  lcd.setCursor(3, 0);
  lcd.print("Hum = ");
  lcd.print(h);
  lcd.print(" %");

  lcd.setCursor(2, 1);
  lcd.print("Temp = ");
  lcd.print(t);
   lcd.print(" C");

lcd.setCursor(0, 3);
  lcd.print("№ ");
  lcd.print(n=n+1);

  delay(3000);
  buttonState = digitalRead(buttonPin);
}

  lcd.setCursor(8, 1);
  lcd.print("Hello");
}