New project - MSFS C++ USB interface

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  1. - 15th January 2024, 04:01 #1
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    Default Re: New project - MSFS C++ USB interface

    Quote Originally Posted by tumbleweed View Post
    You shouldn't leave the inputs of the HC14 floating... the outputs will be unknown.

    ...

    Oooops. I've since added a pull-down for the input I was using.


    I'm seeing several comments on google about connecting the unused pins to ground. If I'm not using their output, can a floating input disturb the other circuits?


    EDIT: I've googled some more and found this explanation:

    "...random charges accumulating there can/will cause unpredictable internal behavior in the chip, including oscillation and high power dissipation."

    https://electronics.stackexchange.co...-inputs-outpus
    Last edited by Demon; - 15th January 2024 at 04:26.
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