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Originally Posted by ConKbot of Doom
I was hoping to use an external EEPROM to store data for our autonomous routine, it uses an I2C interface, but I have code written to bit-bang, so that is ok, but here is my question. I know the pins are inverted as an input, since when they are low, you get a 1 in software, and when they are high, you get a 0. But are they inverted as outputs too?
Thanks
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They're not inverted in
my experience, as either input or output. You might be thinking of the fact that they're internally pulled up to 5 volts, so a switch to ground reads as a logic 1 when it's open and a logic 0 when it's closed.