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replaced http://raspberrypi.stackexchange.com/ with https://raspberrypi.stackexchange.com/

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edited Apr 13, 2017 at 12:56

1

If your Pi is functioning then 3V3 must be available. It will not work without 3V3.

Look at Is my Pi's GPIO damaged?Is my Pi's GPIO damaged? for a method of testing the gpios.

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created Dec 21, 2014 at 7:53

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If your Pi is functioning then 3V3 must be available. It will not work without 3V3.

Look at Is my Pi's GPIO damaged? for a method of testing the gpios.