I mean I though you didn’t have to power the wemos with USB I though the wemos took a power to the relay and converted it to 5v to power it. The relay has a 5v and g pin on it.
I mean I though you didn’t have to power the wemos with USB I though the wemos took a power to the relay and converted it to 5v to power it. The relay has a 5v and g pin on it.