Adafruit USB Cable with Switch [ADA1620]
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Adafruit USB Cable with Switch [ADA1620]

$2.90
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Add a power switch to any USB-powered project simply by plugging this between the USB power port and the USB cable. This is the most useful thing you never knew you needed. Comes with a USB A socket on one end and a USB A plug on the other. In between is an in-line switch that is rated for 2 Amps. The data lines are not connected through - this is a ground/5V power switch only. The switch is on the positive 5V line. A great match for our USB wall adapters or battery packs. If you have a device that uses the data lines to set the charge rate, this switch may not work, we use it for adding a 'hard power switch' to a Raspberry Pi.

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