arduino uno wifi rev2 [abx00021] arduino add wifi to your devices with the arduino uno wifi. it's basically an arduino uno with more kick: it comes with an 8-bit microprocessor from microchip, and an onboard imu (inertial measurement unit). the wifi connection is made secure with the new ecc608 crypto chip accelerator. the wi-fi module is a self-contained soc with integrated tcp/ip protocol stack that can provide access to a wi-fi network, or act as an access point.