Project description:
It detects and controls the rotational speed of the motor. When lower than the specification speed, it increases a control electric current. When higher than the specification speed, it reduces a control electric current. It is possible to use when wanting to keep constant speed even if the load to the motor changes.
Electronics used:
MOSFET 2SC1815
Power MOS FET 2SK3142

Link: DC motor speed controller

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