USB Cable with Switch : ID 1620 : $2.95 : Adafruit ...
2014-1-4u2002·u2002Adafruit Industries, Unique & fun DIY electronics and kits USB Cable with Switch : ID 1620 - 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! You'll want to pick up a bunch for your electronic projects.Comes with a USB A socket on one
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