Thanks! Just received my Yun from Adafruit and had great fun setting up the WiFi and loading my first sketches. What a great way to make Arduino control and programming available over the Web and through a WiFi hotspot! I asked about the following over at Adafruit Forum--they said they didn't know …

Mystery component on Yun board?

system September 29, 2013, 9:31am 5

Does it mean that the only way to extend wifi is through USB port ?

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