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A comment on Spark Core: Wi-Fi for Everything (Arduino Compatible). Parent comment

Re:Spark Core: Wi-Fi for Everything (Arduino Compatible) by ja27 on Thursday May 02, 2013 @06:28PM (#5647603)
I've used both of these without a hub without any problem. I use an old Samsung cell charger (I think 700ma). I don't generally have anything else drawing power from the USB port though.

http://www.amazon.com/gp/product/B0037G2BMY/

http://www.amazon.com/gp/product/B004LPY204/

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