Arduino-Uno-Wi Fi-ATmega 328-with-Integrated-ESP8266-Wi Fi-Module-Arduino-A000133-This-board-is-a-version-of-the-outstanding-Arduino-B-Uno-B-development-board-with-the-addition-of-integrated-B-Wi-Fi-B-The-Uno-is-based-around-the-B-ATmega 328-B-MCU-&-mounts-the-B-ESP8266-B-802-11-b-g-n-2-4 G Hz-Wi-Fi-module-Designed-for-both-beginners-&-advanced-users-this-board-is-ideal-for-those-starting-out-with-Arduino-or-the-B-Io T-B-BR-BR-The-ESP8266-Wi-Fi-Module-is-a-self-contained-So C-