D2 isn’t needed to make the module work - worst case, they put it on backwards and you have to remove & resolder them all.
You’ll know if its wrong, as there will be a dead short across the power input terminals (so don’t connect to the battery!)
D2 isn’t needed to make the module work - worst case, they put it on backwards and you have to remove & resolder them all.
You’ll know if its wrong, as there will be a dead short across the power input terminals (so don’t connect to the battery!)