#include "WiFi.h"

int LED[] = {0, 19, 21, 32, 33, 25, 26, 27, 14, 12, 13, 15, 2};
int j;
bool kanan;

void setup() {

  Serial.begin(115200);
  Serial.println("Initializing WiFi...");
  WiFi.mode(WIFI_STA);
  Serial.println("Setup done!");

  for (int i = 1; i < 13; i++) {
    pinMode(LED[i], OUTPUT);
  }
  j=1;
  kanan=true;
}

void loop() {

  Serial.println("Scanning...");

  // WiFi.scanNetworks will return the number of networks found
  int n = WiFi.scanNetworks();
  Serial.println("Scan done!");
  if (n == 0) {
    Serial.println("No networks found.");
  } else {
    Serial.println();
    Serial.print(n);
    Serial.println(" networks found");
    for (int i = 0; i < n; ++i) {
      // Print SSID and RSSI for each network found
      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);
    }
  }
  Serial.println("");


  if(kanan){
    digitalWrite(LED[j], HIGH);
    if(j>1){
      digitalWrite(LED[j-1], LOW);  
    }
    j++;
    if (j==13){
      kanan=false;
      j=12;
    }
    delay(500);
  }
  else {
    digitalWrite(LED[j], LOW);
    if (j>1){
      digitalWrite(LED[j-1], HIGH);
    }
    j--;
    if (j==1){
      kanan=true;
      j=2;
    }
    delay(500);
  }
  // Wait a bit before scanning again
  //delay(5000);
}