That happens to all of us, descriptions worth next to nothing on certain sites.
If you want to get your setup going without further tinkering, just buy 5V relay module.
And if you have few extra bucks, also inexpensive multimeter.
That happens to all of us, descriptions worth next to nothing on certain sites.
If you want to get your setup going without further tinkering, just buy 5V relay module.
And if you have few extra bucks, also inexpensive multimeter.