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Stepper Motors with Arduino - Controlling Bipolar & Unipolar stepper motors

DroneBot Workshop
640K subscribers
2.2M views 7 years ago
Learn how to use stepper motors with the Arduino. Full Article with Code at https://dronebotworkshop.com/stepper-... More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to the newsletter and stay in touch: https://dronebotworkshop.com/subscribe/ Today we will be working with stepper motors, a versatile yet often misunderstood electromechanical component used in a variety of devices. After examining how stepper motors work and what the difference is between a “Bipolar” and “Unipolar” stepper is I will show you how three methods of controlling a stepper motor with an Arduino: 1 - A common 28YBJ-48 Unipolar Stepper with a ULN2003 driver board. These inexpensive stepper and driver combinations are very common and are available on eBay, Amazon, and probably in your local electronics store. I’ll show you two different ways to use these with two different Ardu …...more
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Stepper Motors with Arduino - Controlling Bipolar & Unipolar stepper motors
30KLikes
2,242,544Views
2018Feb 10
Learn how to use stepper motors with the Arduino. Full Article with Code at https://dronebotworkshop.com/stepper-... More articles and tutorials: https://dronebotworkshop.com Join the conversation on the forum: https://forum.dronebotworkshop.com Subscribe to the newsletter and stay in touch: https://dronebotworkshop.com/subscribe/ Today we will be working with stepper motors, a versatile yet often misunderstood electromechanical component used in a variety of devices. After examining how stepper motors work and what the difference is between a “Bipolar” and “Unipolar” stepper is I will show you how three methods of controlling a stepper motor with an Arduino: 1 - A common 28YBJ-48 Unipolar Stepper with a ULN2003 driver board. These inexpensive stepper and driver combinations are very common and are available on eBay, Amazon, and probably in your local electronics store. I’ll show you two different ways to use these with two different Arduino libraries. 2 - A NEMA 17 Bipolar stepper motor with an L298N dual H-Bridge driver board. We’ve used the L298N driver board in another video to control a pair of brushed DC motors but it also makes a good driver for a bipolar stepper motor. 3 - The same NEMA 17 Bipolar stepper motor controlled by an A4988 stepper driver. This common driver board is used in many 3D printers and CNC machines and simplifies the control of one or several stepper motors with an Arduino. I’ll also discuss concepts like microstepping and I will show you how to understand some of the many parameters that are included on stepper motor specification sheets. If you’d like to jump ahead to a particular section in the video here is the table of contents: 00:00 - Introduction 01:34 - Stepper Motor Theory 04:21 - Bipolar vs Unipolar Steppers 08:18 - Common Stepper Specifications 11:32 - NEMA motor sizes 13:41 - 28YBJ-48 Unipolar Stepper with ULN2003 28:16 - NEMA 17 Bipolar with L298N 36:41 - NEMA 17 Bipolar with A4988 As always you can get all of the code I use in this video by visiting the DroneBot Workshop website and looking at the article at https://dbot.ws/stepper. You’ll find code listings and hookup diagrams and well as a convenient ZIP file containing all of the Arduino sketches. Hopefully, this video will inspire you to start using stepper motors in your own designs. Now let's get stepping!
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DroneBot Workshop

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