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SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).

Member #496045

Member Since: December 5, 2013

Country: United States

  • I set up my Arduino Micro with this step up powered by 2 AA batteries and plugged into the 5V and GND. Can I leave it plugged into 5V and GND with the batteries switched off when I plug the Arduino into the USB or would the 5V output of the Arduino cause problems in the step up?

    AA Batteries –/–> 5V DC Step Up —-> Arduino 5V & GND <—- Arduino Reg <—- USB

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