#include <LiquidCrystal_I2C.h>
const int led=13;
const int bt=2;
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);
const float BETA = 3950; // should match the Beta Coefficient of the thermistor


void setup() {
   Serial.begin(9600);
  // Init
  pinMode(led, OUTPUT);
  pinMode(bt, INPUT_PULLUP);

  lcd.init();
  lcd.backlight();

  // Print something

}


void loop() {int prog = digitalRead(bt);
int mais = 1;
if (prog == HIGH){
   for (mais; prog == HIGH;mais= mais +1){  lcd.setCursor(2,2);
  lcd.print(mais);
  if (prog == LOW){break;};
  };};

  
  
  }