nodemcu / nodemcu-devkit

A development kit for NodeMCU firmware

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INPUT_PULLUP mode

joihn opened this issue · comments

I am working with arduino IDE.

Here is my problem : if I set one of the pin (pin 0) in INPUT_PULLUP mode, then the pin isn't actived by connecting it to 3.3v, but by connecting it to ground..... This is strange !

Any idea why ?