WiFly Shield Hookup Guide


Contributors: JoelEB, CTaylor


The WiFly Shield allows you to easily connect your Arduino to a wireless network, serve up data, act as a client, create an ad-hoc network for your Internet of things devices, and get data such as data and time from your network. This hookup guide will show you how get started, how to configure the WiFly module, and how to set up some simple sketches using the WiFly Shield.

WiFly Shield

Covered in This Tutorial

This guide will show you:

  • How to connect the WiFly Shield to the Arduino
  • How to communicate with the WiFly Shield through the terminal
  • How to connect the WiFly to a WiFi network
  • Simple communication over a network
  • How to create a simple server
  • How to update the firmware on the WiFly module

All of the functions and commands used in this tutorial can be found in the RN131 documentation:

Suggested Reading

If you’re new to electronics or wireless communication, you may also want to check out these other concepts first:

You should also have a basic understanding of simple networking terms such as:

Want more information about SparkFun's classes? Interested in getting involved with teaching electronics? Just want to talk? Sign up for our newsletter, or contact our education department.

SparkFun is a company built around one core idea – sharing ingenuity. We think everyone should have the hardware and resources to learn and play with cool electronic gadgetry.

Share, give, learn, SparkFun.

Do you regularly instruct classes and workshops in a formal or informal learning environment? SparkFun offers Educator Discounts to people teaching and sharing electronics.

Find out more.