Just to double check I'm powering theboard for my project off a 9volt battery, which pins on the board do I put the negative and positive cables off the battery. I want to do this correctly so I don't blow up the board! Thanks Bye

Battery pins

system January 3, 2010, 11:57am 4

Which ground because there are Three, two next to the vin and one next to digital pin 13?

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