Hello, do you know how this module connects?
Hi @ivanzap. Please don't hijack topics. I've had to split your post out to its own topic.
This is basic forum etiquette, as explained in the "How to get the best out of this forum" guide. It contains a lot of other useful information. Please read it.
Thanks in advance for your cooperation.
Nice circuit. My tutorial on How to Add Relays to Arduino covers this board and other relays
@drmpf nice tutorial.
Sorry,I had never published.