Saturday, February 8, 2014

Quick Tip: 4 Ways to Power an Arduino

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By Gabriel Staples
Written: 8 Feb. 2014
Updated: 27 May 2014 - minor details added

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4 Ways to Power Your Arduino:

  1. USB cable
  2. External power supply, or battery, going into the 2.1mm x 5.5mm DC power jack (recommended 7~12V input)
  3. External power supply, or battery, going into the "VIN" and "GND" pins on the board, via jumpers (recommended 7~12V input)
  4. External, regulated 5V power going straight into the "5V" and "GND" pins; this can come from another Arduino's 5V and GND pins even!
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