Raspberry Pi – Stepper Motor Control & Breakout Board


Many of the previous Raspberry Pi projects I had been working on were based on fairly simple GPIO logic to turn things on and off.  Today I wanted a little more of a challenge so I started working to control a stepper motor from my Raspberry Pi using Java.  Fortunately I had previously obtained one of John Jay's Stepper Motor Breakout Board kits which includes all the necessary components (including the stepper motor) to get started.
 Raspberry Pi - Stepper Motor Control & Breakout Board
The kit includes:
  • 1 @ printed circuit board
  • 1 @ ULN2803 8 Channel Darlington Driver IC (Adafruit)
  • 1 @ 18 pin DIP socket (Amazon)
  • 8 @ green LEDs
  • 1 @ Jumper and Jumper header
  • 1 @ resistor array/network
  • 1 @ capacitor
  • 1 @ 26 pin PCB mount female header (not pictured)
  • 1 @ peel-and-stick on rubber bumper  (not pictured)
  • 1 @ 28BYJ-48 5 VDC stepper motor (Amazon | Adafruit)
This kit is very easy to assemble and very reasonably priced.
It is available now on eBay. << Click here to see John Jay's eBay listings >>


Please visit John's website for further instructions and photos on assembly:
<< http://mypishop.com/Stepper.html >>

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Raspberry Pi - Stepper Motor Control & Breakout Board


The stepper motor is controlled by pulsing the GPIO pins from LOW to HIGH states in a sequence that causes the motor to spin.  Each time a GPIO pin state is HIGH an electromagnet is engaged inside the stepper motor to cause a rotational force on the center rotor. With the proper sequence and timing you achieve motor rotation.

Here is a fantastic article with photos and illustrations to help learn more about stepper motors and stepping techniquest:


For more detail: Raspberry Pi – Stepper Motor Control & Breakout Board

About The Author

Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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