Hi, The logic of the Due is of course is 3V3. I tried to run a NEXTION display (which has 5V) connected to the Due, and it works perfect. No my question: are the UARTS maybe 5V tolerant, or did i have just luck and it could happen that the SAM-Chip gets burned? (I couldn't find a notice about 5V to…

Rx and Tx Pins 5V tolerant?

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