Reference Language | Libraries | Comparison | Changes
WiFi
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 () {}
Reference Home
Corrections, suggestions, and new documentation should be posted to the Forum.
The text of the Arduino reference is licensed under a
Creative Commons Attribution-ShareAlike 3.0 License. Code samples in the reference are released into the public domain.
