Dragino Linux, Wifi, Ethernet, USB, All-in-one Yun Shield for Arduino Leonardo, UNO, Mega2560, Duemilanove Support internet connection via LAN port, WiFi or 3G dongle Open source Linux (OpenWrt) inside,Low power consumption Compatible with Arduino IDE 1.5.4 or later, user can program, debug or upload sketch to Arduino board via Arduino IDE Managed by Web GUI, SSH via LAN or WiFi,Built-in web server Compatible with Arduino Leonardo, Uno , Duemilanove, Diecimila, Mega