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Arduino Yun Internet of Holiday Lights Challenge

Arduino Yun Power Supply

Thanks to Element14 I got my Arduino Yun today. The first thing i noticed was the power supply. No barrel jack. So it has to be powered through Micro USB. That’s fine when connected to a computer. But if you are powering it from wall wart or from batteries then it has to be the right specification because of the lack of built in regulator.