That’s very bad practice. It’s far better to power the relays separately, but you have to have a common GND between the two power supplies.
Have you changed your sketch to declare these as OUTPUT in the pinMode commands?
Pete.
no
I use the second code as you see (second code in this post)
I have no idea what these responses from you are in relation to.
I’d suggest that you quote the question/comment that you’re replying to, and put all of your replies in a single post rather than having an endless stream of one line replies.
Pete.
Ok i try it tank you very much