I have the following circuit: M1 is a DC motor
Interface L298N DC Motor Driver Module with Arduino
How to setup a dc motor on arduino mega
How to use a stepper motor in arduino
DC Motor Speed Control using Arduino and Potentiometer
Arduino DC Motor Speed Motor Control
Arduino Compatible Mega Motor Shield 13A, 5-28V - RobotShop
Controlling 24V dc Motors with BTS7960 - Project Guidance - Arduino Forum
Lesson 22 Simple Creation-Small Fan — SunFounder uno-and-mega-kit documentation
Using an NPN transistor as a switch to turn on/off a DC Motor - Arduino Stack Exchange