#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
void setup() {
  Wire.begin();
  lcd.init();
  lcd.backlight();
}
void loop() {
  int val1 = analogRead(A0);
  int val2 = analogRead(A1);

  float volt1 = map(val1, 0, 1023, 0, 5000) / 1000.0;
  float volt2 = map(val2, 0, 1023, 0, 5000) / 1000.0;

  lcd.setCursor(0, 0);
  lcd.print("Entrada 1: ");
  lcd.print(volt1, 2);
  lcd.print("V");

  lcd.setCursor(0, 1);
  lcd.print("Entrada 2: ");
  lcd.print(volt2, 2);
  lcd.print("V");

  delay(500);
}