It's 5v and 3v. There is a jumper that when open the module is 5v and If I close the jumper then it is 3v operation. The jumper is open so it's at 5v.
It's 5v and 3v. There is a jumper that when open the module is 5v and If I close the jumper then it is 3v operation. The jumper is open so it's at 5v.