The basic functions of the Arduino IDE – pinMode, digitalRead, digitalWrite, and analogRead – are available. Most of the WiFi functions work just like the WiFi shield library.

Looking for practical Arduino projects? This guide shows how to control a relay from your smartphone using an Arduino Uno — ...

Installing the library is as easy as checking out the code from GitHub into your Arduino install, so that’s exactly what I did. I then spent a couple days playing around with it.

The Arduino Wire library is a core aspect of Arduino's integrated development environment, or IDE, and is a must-have if you're using sensors or extra microcontrollers in your project.