votage on rx and tx lines

Hi,

Could somebody know why when I measure the tx and rx lines on a uart with a multimeter the voltage on rx is 0.5v and 0v on the tx line?

Thanks

No, because you didn't tell us:
What Arduino?
How it's connected?
Did you upload a sketch with serial?
Is it sending data?

ultrasonicbananna:
Could somebody know why when I measure the tx and rx lines on a uart with a multimeter the voltage on rx is 0.5v and 0v on the tx line?

It could be that that is the voltage the mumtimeter measures.

Do you think that is incorrect ?