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Results tagged with gpio
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user 9437
GPIO stands for General Purpose Input Output and can be used to receive and send digital signals to and from simple electronics from the Raspberry Pi.
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GPIO input shorted to ground or 3.3v
I would like to try adding buttons and maybe a optical transistor (for IR) to my Pi. I've read several places advising the use of a 1k resistor as a buffer, but is that needed or would the input pin b …
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