This is the area to clarify hardware specification if there's anything unclear from the datasheet. If the specification is software related, please ask in the related software section.

Voltage level on UART

Hi volks, I hope you can help me to find out the voltage level on the UART pins. I guess it's TTL, or is it RS232?
Would it be possible to supply the 5V power via the GPIO-Header?
Thanks in advanced.

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