Controlling Two 12v Fans off Arduino using one Power Adapter

[runaway_pancake]

Elso:
P2N2222A
anything I can do with that?

I would just use the NPNs. The HEXFETs are overkill.

Adding schematic (attachment). Change R_B to 1K-2.2K
It has "2N3904" there, but same difference.