Want to add a speed to your fan that most of us don't have? This tutorial will help us in how to put a cable to help you monitor how fast the spin of your fans.
Test the fan if it is running properly before you assemble and glue them together. After managing to work the assembly, you can change the speed as with the other fans that already have this cable by default.
Basically this will alter the power of motor windings of the fan that was detected the magnetic field with the help of the magnet. Get the fan with the help of a needlenose pliers or a small screwdriver.