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Answer by joan for Should some GPIO pins read high from start?
GPIO0 to GPIO7 have their internal pull-ups to 3V3 enabled at power-up. Pins 3 and 5 (GPIO2 and GPIO3) additionally have external hard wired 1k8 pull-ups to 3V3.Other GPIO have their internal...
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Should some GPIO pins read high from start?
I have a Raspberry Pi 2 Model B. When I power it, with nothing connected to the GPIO pins and the OS still not booted (probably, I checked right after plugging it to the power) some of the pins show...
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