/diy/ - Do It Yourself

Anonymous Mon Jul 16 11:41:12 2018 No.1426847 [View]
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>>1426836
>i have trouble understanding difference between input and output.
pic related

>It seems to me that the only difference is that as output it generates 3V or 0V and as input it RECIEVES 3v or 0v
when in input mode the pin has a high impedance, but before this impedance there can be a pullup/pulldown connection, this acts a "default" state for the pin if it is disconnected (so it doesnt float), you use that with buttons

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/diy/ - Do It Yourself

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