#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

// Mengatur alamat I2C LCD
LiquidCrystal_I2C lcd(0x27, 16, 2);  

void setup() {
  //initialize serial communication at 9600 bits persecon:
  Serial.begin(9600);
  lcd.begin(16, 2);  
  lcd.print("Ampere"); 
}

// the loop routine runs over and over again forever:
void loop() {
  // read the input on analog pin 0:
  int sensorValue = analogRead(A0);
  //convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5)
  float voltage = sensorValue * (5.0 / 1023.0);
  // print out the value you read:
  Serial.println(sensorValue);
  Serial.println(voltage);
  
  // Menampilkan nilai sensor dan tegangan ke LCD
  lcd.setCursor(0, 0);
  lcd.print("Ampere: ");
  lcd.print(sensorValue);
  lcd.setCursor(0, 1);
  lcd.print("Voltage: ");
  lcd.print(voltage);

  delay(500);
}