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 <SPI.h>
#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 () {}
Guide Home