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You're reading from  Raspberry Pi Pico DIY Workshop

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Published inMay 2022
PublisherPackt
ISBN-139781801814812
Edition1st Edition
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Authors (2):
Sai Yamanoor
Sai Yamanoor
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Sai Yamanoor

Sai Yamanoor is an embedded systems engineer working for a private startup school in the San Francisco Bay Area, where he builds devices that help students achieve their full potential. He completed his undergraduate work in mechatronics engineering from Sri Krishna College of Engineering and Technology, Coimbatore, India and his graduate studies in mechanical engineering at Carnegie Mellon University, Pittsburgh PA. His interests, deeply rooted in DIY and open software and hardware cultures, include developing gadgets and apps that improve the quality of life, Internet of Things, crowdfunding, education, and new technologies. In his spare time, he plays with various devices and architectures, such as the Raspberry Pi, Arduino, Galileo, Android devices and others. Sai has earlier published a book titled Raspberry Pi Mechatronics Projects.
Read more about Sai Yamanoor

Srihari Yamanoor
Srihari Yamanoor
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Srihari Yamanoor

Srihari Yamanoor is a mechanical engineer, working on medical devices, sustainability, and robotics in the San Francisco Bay Area. He completed his undergraduate studies in mechanical engineering from PSG College of Technology, Coimbatore, India and graduate studies in mechanical engineering at Stanford University. He is certified in SolidWorks, simulation, sustainable design, PDM as well as in quality and reliability engineering and auditing. His has a wide range of interests, from DIY, crowdfunding, AI, travelling, photography to gardening and ecology.
Read more about Srihari Yamanoor

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Interfacing the stepper motor

In this section, we will discuss interfacing a stepper motor with the Raspberry Pi Pico using the DRV8833 Stepper Motor Driver. This will enable us to build a display where the stepper motor will point to the corresponding air quality category.

Motor Selection

For this project, we chose a stepper motor that is used in automotive gauges. This is because the motor has a total movement range of 315°. It also comes with a needle that is useful in building our visual aid. Motor selection for an application involves several factors. We recommend the following article from SparkFun: https://bit.ly/3qyYxnX.

The first step is to wire up the stepper motor driver to the Raspberry Pi Pico. Figure 7.21 shows the connections of the stepper motor driver to the Pico. The stepper motor driver is connected as follows where the left-hand side of the arrow refers to a pin available on the Raspberry Pi Pico while the right refers to a pin on the DRV8833 stepper...

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Raspberry Pi Pico DIY Workshop
Published in: May 2022Publisher: PacktISBN-13: 9781801814812
© 2022 Packt Publishing Limited All Rights Reserved

Authors (2)

author image
Sai Yamanoor

Sai Yamanoor is an embedded systems engineer working for a private startup school in the San Francisco Bay Area, where he builds devices that help students achieve their full potential. He completed his undergraduate work in mechatronics engineering from Sri Krishna College of Engineering and Technology, Coimbatore, India and his graduate studies in mechanical engineering at Carnegie Mellon University, Pittsburgh PA. His interests, deeply rooted in DIY and open software and hardware cultures, include developing gadgets and apps that improve the quality of life, Internet of Things, crowdfunding, education, and new technologies. In his spare time, he plays with various devices and architectures, such as the Raspberry Pi, Arduino, Galileo, Android devices and others. Sai has earlier published a book titled Raspberry Pi Mechatronics Projects.
Read more about Sai Yamanoor

author image
Srihari Yamanoor

Srihari Yamanoor is a mechanical engineer, working on medical devices, sustainability, and robotics in the San Francisco Bay Area. He completed his undergraduate studies in mechanical engineering from PSG College of Technology, Coimbatore, India and graduate studies in mechanical engineering at Stanford University. He is certified in SolidWorks, simulation, sustainable design, PDM as well as in quality and reliability engineering and auditing. His has a wide range of interests, from DIY, crowdfunding, AI, travelling, photography to gardening and ecology.
Read more about Srihari Yamanoor

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