/* ESP32 WiFi Scanning example */

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

LiquidCrystal_I2C lcd(0x27, 16, 2);
#define LED1 33

boolean isConnected = false;

void setup() {
  Serial.begin(115200);
  Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA);
  pinMode(LED1, OUTPUT);
  
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
}

void loop() {
  lcd.backlight();
  lcd.setCursor(0, 0);
  
  Serial.println("Scanning...");
  int n = WiFi.scanNetworks();
  Serial.println("Scan done!");
  
  if (n == 0) {
    Serial.println("No networks found.");
    digitalWrite(LED1, LOW);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("WiFi Disconnected");
    isConnected = false;
  } else {
    Serial.println();
    Serial.print(n);
    Serial.println(" networks found");
    digitalWrite(LED1, HIGH);
    isConnected = true;
    
    for (int i = 0; i < n; ++i) {
      Serial.print(i + 1);
      Serial.print(": ");
      Serial.print(WiFi.SSID(i));
      Serial.print(" (");
      Serial.print(WiFi.RSSI(i));
      Serial.print(")");
      Serial.println((WiFi.encryptionType(i) == WIFI_AUTH_OPEN) ? " " : "*");
      delay(10);
    }
  }
  
  if(isConnected) {
    // Lakukan tindakan ketika terhubung ke WiFi
    // Contohnya, lampu LED menyala
    digitalWrite(LED1, HIGH);
  } else {
    // Lakukan tindakan ketika tidak terhubung ke WiFi
    // Contohnya, lampu LED mati
    digitalWrite(LED1, LOW);
  }

  // Tambahkan penundaan sebelum melakukan pemindaian kembali
  delay(5000);
}