Finding the right power input for the Beaglebone Black


If you forgot to order a power source for your Beaglebone Black you may want to pick one up. The Beaglebone Black requires a 5.5mm OD x 2.1mm ID barrel connector from a 5v power source. I checked around and was able to find the right combo from radioshack. Albeit at a ~$15 premium compared to the normal adapter from Amazon. If you need to pick one up, find part numbers:

  • 273-344 – Enercell Adapter Tip “M” (White)
  • 273-333 – Enercell AC-to-DC Power Adapter 5V 2A (White)

You’ll need this for any usage above a low power keyboard and mouse. I tried hooking up my older gaming keyboard when it was on USB power and it would not work until I bought the 5V adapter.

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