WiFi.scanNetworks()

Description

Scans for available WiFi networks and returns the discovered number.

Syntax


WiFi.scanNetworks();


Parameters

none

Returns

byte : number of discovered networks

Example

#include <WiFi.h>

char ssid[] = "yourNetwork";     // the name of your network
int status = WL_IDLE_STATUS;     // the Wifi radio's status

byte mac[6];                     // the MAC address of your Wifi shield


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

 status = WiFi.begin(ssid);

 if ( status != WL_CONNECTED) { 
    Serial.println("Couldn't get a wifi connection");
    while(true);
  } 
  // if you are connected, print your MAC address:
  else {
    Serial.println("** Scan Networks **");
    byte numSsid = WiFi.scanNetworks();

    Serial.print("SSID List:");
    Serial.println(numSsid);
  }
}

void loop () {}

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The text of the 86Duino reference is a modification of the Arduino reference, and is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.