With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
You can adjust the PWM frequency to above audible levels. Take a look here: http://playground.arduino.cc/Main/TimerPWMCheatsheet
Be aware that it changes the actual power to the motor coils because it's an inductive load.
Let your inbox help you discover our best projects, classes, and contests. Instructables will help you learn how to make anything!
© 2016 Autodesk, Inc.