Capacitor size for Output Pin

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Re: Capacitor size for Output Pin

By Vudu
- Mon Mar 18, 2019 4:18 pm #81186 Thank you everyone for your help!
I used the 4K7 pulldown resistors and it works perfectly.

Just one thing to remind: Don't use GPIO16/D0 as it is always HIGH during boot.

I never heard that one should digitalWrite to 0 before setting the mode to Output to ensure there is no glitch. Care to explain where this is coming from?
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Re: Capacitor size for Output Pin

By RichardS
- Tue Mar 19, 2019 1:29 pm #81212 I think simply that the output buffer may have a '1' in it at the time you make the switch to output, this placing a '1' on the pin, if you make it '0' first then its safer for you.... it all depends on what hardware you have connected.

RichardS
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