×

SparkFun will be closed May 25, 2015 for Memorial Day. Orders placed after 2pm on Friday the 22nd will ship out on Tuesday. Thanks!

Mageek

Member Since: October 23, 2009

Country: United States

  • For the Arduino Uno it is center-positive (barrel/sleeve-negative). I suspect it depends on what your application is. Use a multimeter to be sure.

No public wish lists :(