how to control a computer fans speed and turn it into a desk fan.
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Step 1: Get power source

Picture of get power source
you will need to get a model train transformer. just make sure it's 12 volts.

Step 2: Alligator clips

Picture of alligator clips
hook the alligator clips to the silver screws

Step 3: Hook up fan.

Picture of hook up fan.
hook the alligators to the fans wires.

Step 4: Stick fan on transformer

Picture of 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!
mrbobdog7075 years ago
This is great and simply idea, thank you for this Instructable was looking for a way to controller the speed of my fans for entertainment cabinet, and this looks the best solution so far.