Hi guys. I have a question. Should I connect a button like this? Is it safe for other modules and for the Arduino? The button works in serial Can you help me with this issue, please? [Screenshot_10]

[image] sierrra1: What if I connect that way (in that screenshot) In a pinch you can wire the switch like in your diagram in the original post. Set one pin to output and write it LOW. Set the other to INPUT_PULLUP. When you read the input, the input will be HIGH for a switch that is not pr…

Button without ground and 5v

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sierrra1 September 21, 2021, 10:52am 7

I can't wire there because there is a module that has already been wired there. (Arduino nano) Oh. I don't really know what to do.

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Button without ground and 5v

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