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This is a simple cable that adapts from a USB port to a 5.5 x 2.1mm barrel connector, centre positive. This cable allows the user to use a USB port on a computer, laptop, or on our USB power supply to provide development boards with 5V. The cable is rated for a maximum of 2A.
The USB specification limits current consumption to a max of 500mA from a USB port so if more current is required a suitable power supply is needed. It also features a generous cable length of 1M.