Hi all I need to connect a button to my Arduino Due so i can use it as a start/stop signal. My intention is to connect it to the 3.3V line and make a pulldown resistance (like this , but with the 3.3V line) so that I don't break my board. Anyway, I can't exactly find the maximum amount of current t…

Max input current

system April 1, 2014, 1:04pm 2

Providing you don't go over 3v ....

You'll be fine, but as a precaution a 10k resistor can be used.

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