Arduino - WiFi101Begin

Arduino

Reference Language | Libraries | Comparison | Changes

WiFi101

## WiFi.begin()

#### Description

Initializes the WiFi101 library's network settings and provides the current status.

#### Syntax

WiFi.begin();
WiFi.begin(ssid);
WiFi.begin(ssid, pass);
WiFi.begin(ssid, keyIndex, key);

#### Parameters

ssid: the SSID (Service Set Identifier) is the name of the WiFi network you want to connect to.

keyIndex: WEP encrypted networks can hold up to 4 different keys. This identifies which key you are going to use.

key: a hexadecimal string used as a security code for WEP encrypted networks.

pass: WPA encrypted networks use a password in the form of a string for security.

#### Returns

- WL_CONNECTED when connected to a network
- WL_IDLE_STATUS when not connected to a network, but powered on

#### Example

#include <WiFi101.h>
//SSID of your network
char ssid[] = "yourNetwork";
//password of your WPA Network
char pass[] = "secretPassword";
void setup()
{
WiFi.begin(ssid, pass);
}
void loop () {}
[Get Code]
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.

### Share

### This link has expired.
Please re-subscribe to our Newsletters.

### Subscribe to our Newsletters

Email

Please enter a valid email to subscribe

Arduino Newsletter
Arduino Store Newsletter

### Confirm your email address

We need to confirm your email address.
To complete the subscription, please click the link in the email we just sent you.

Thank you for subscribing!

Arduino
via Egeo 16
Torino, 10131
Italy

###### Newsletter

- ©2015 Arduino
- Copyright Notice
- Contact us
- About us
- Careers