It’s an Arduino shield that adds a Linux SoC, WiFi, Ethernet, and USB Host to any Arduino board from the Uno, to the Duemilanove and Mega. It is basically identical to the Arduino Yun ...

Microcontroller demo boards such as the Arduino UNO are ubiquitous on Hackaday as ... position due to a custom jig which means a standard shield will fit right into place. The Arduino started ...