how to control a computer fans speed and turn it into a desk fan.
Step 1: Get power source
you will need to get a model train transformer. just make sure it's 12 volts.
Step 2: Alligator clips
hook the alligator clips to the silver screws
Step 3: Hook up fan.
hook the alligators to the fans wires.
Step 4: Stick fan on transformer
stick fan on transformer
Step 5: Plug it in
plug it in and turn the knob. if you like it don't forget to rate!