#include <WiFi.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

const char* ssid = "Wokwi-GUEST";
const char* password = "";

int pot;

void setup() {
  Serial.begin(115200);

  pinMode(25, OUTPUT);
  pinMode(33, INPUT); 

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

  lcd.setCursor(0, 0);
  lcd.print("Connecting...");
  Serial.println("Menghubungkan ke WiFi...");

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("\nWiFi Connected!");
  Serial.print("IP Address: ");
  Serial.println(WiFi.localIP());

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("WiFi Connected");
  lcd.setCursor(0, 1);
  lcd.print(WiFi.localIP().toString());
  delay(1500);

  lcd.clear();
}

void loop() {

  pot = analogRead(33);
  int nilaiPot = map(pot, 0, 4095, 0, 50);

  lcd.setCursor(0, 0);
  lcd.print("Pot: ");
  lcd.print(nilaiPot);
  lcd.print("%   "); 

  lcd.setCursor(0, 1);
  lcd.print("WiFi:");
  lcd.print(ssid);
  lcd.print("");

  if (nilaiPot > 10) {
    digitalWrite(25, HIGH);
  } else {
    digitalWrite(25, LOW);
  }

  delay(500);
}