The Arduino UNO WiFi Rev 2 is the easiest point of entry to basic IoT with the standard form factor of the UNO family. Whether you are looking at building a sensor network connected to your office or home router, or if you want to create a Bluetooth® Low Energy device sending data to a cellphone, the Arduino UNO WiFi Rev 2 is your one-stop-solution for many of the basic IoT application scenarios.