#include <SPI.h>
#include <WiFi.h>

void setup() {
  Serial.begin(9600);
  printMacAddress(); 
}

void loop() {
  listNetworks(); 
  delay(10000);
}

void printMacAddress() {
  byte mac[6];                    
  WiFi.macAddress(mac);
  Serial.print("MAC: ");
  Serial.print(mac[5],HEX);  Serial.print(":");
  Serial.print(mac[4],HEX);  Serial.print(":");
  Serial.print(mac[3],HEX);  Serial.print(":");
  Serial.print(mac[2],HEX);  Serial.print(":");
  Serial.print(mac[1],HEX);  Serial.print(":");
  Serial.println(mac[0],HEX);
}

void listNetworks() {
  byte numSsid = WiFi.scanNetworks();
  Serial.print("Numero de redes disponibles: ");
  Serial.println(numSsid);
  for (int i = 0; i<numSsid; i++) {
     Serial.print(i); Serial.print(") "); 
     Serial.print(WiFi.SSID(i));
     Serial.print("\tSeñal (en dBm): ");  
     Serial.print(WiFi.RSSI(i));
     Serial.print("\tCifrado:");
     Serial.println(WiFi.encryptionType(i));
  }
}

