This kit allows you to control and gradually change the speed of the motor from a complete stop to the maximum speed. If you want to purchase this inexpensive and simple kit, click here . If you want to understand how it works, click here .
Instructions Find the correct orientation of the speed control magnet.
This may quickly destroy the reed switch, drain the batteries, and overheat the motor parts. You will need to measure the consumed current of the motor. The motor should be working during this experiment. Watch how the consumed current changes. If the magnet is oriented properly, the current should decrease.