Barrel Jack Adapter - USB to 5.5mm
This is a simple cable that adapts from a USB port to a 5.5x2.1mm barrel connector, center positive. This cable allows the user to use a USB port on a computer, laptop, or on our cigarette power supply to provide our development boards with 5V.
The USB specification limits current consumption to a max of 500mA from a USB port but this is more than enough to run a simple development board.
Cable length is 3 feet.
(SparkFun product TOL-08639)
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$3.00
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$7.00
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$17.00
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This is a 5.5mm external and 2.1mm internal jack.
Cheers,
Hadley