#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);


void setup() {
  

  // put your setup code here, to run once:
  Serial.begin(115200);
  LCD.init();
  LCD.backlight();
  
}

void loop() {
  //char buffer[3];
  // put your main code here, to run repeatedly:
  unsigned int a = analogRead(A3);
  float voltage = (a*100) / 4095;
  LCD.clear();
  LCD.print(voltage);
  LCD.print(" Volt");
  //dtostrf(voltage, 3, 1, buffer);
  delay(1000); // this speeds up the simulation
}