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SparkFun Electronics will be closed in observance of memorial day on Monday, May 29th. We will resume normal business hours on Tuesday, May 30th. Any orders placed after 2pm Mountain Time on Friday, May 26th will process and ship out on Tuesday, May 30th.

Adam

Member Since: July 26, 2008

Country: United States

  • Pardon my noob question… but I bought this to use it with an Arduino Diecimila and I’m able to run it by connecting it’s 4 control pins to 4 digital outs on the Arduino. However, that leaves 2 pins remaining which I assumed I could attach to a 9V power adapter for greater torque… however attaching power doesn’t do anything. Am I missing something huge? How do I connect power to this? The datasheet doesn’t label those 2 other pins as + or -.

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