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Raspberry Pi Pico DIY Workshop

You're reading from   Raspberry Pi Pico DIY Workshop Build exciting projects in home automation, personal health, gardening, and citizen science

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Product type Paperback
Published in May 2022
Publisher Packt
ISBN-13 9781801814812
Length 376 pages
Edition 1st Edition
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Authors (2):
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Sai Yamanoor Sai Yamanoor
Author Profile Icon Sai Yamanoor
Sai Yamanoor
Srihari Yamanoor Srihari Yamanoor
Author Profile Icon Srihari Yamanoor
Srihari Yamanoor
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Toc

Table of Contents (17) Chapters Close

Preface 1. Section 1: An Introduction to the Pico
2. Chapter 1: Getting Started with the Raspberry Pi Pico FREE CHAPTER 3. Chapter 2: Serial Interfaces and Applications 4. Chapter 3: Home Automation Projects 5. Chapter 4: Fun with Gardening! 6. Section 2: Learning by Making
7. Chapter 5: Building a Weather Station 8. Chapter 6: Designing a Giant Seven-Segment Display 9. Chapter 7: Designing a Visual Aid for Tracking Air Quality 10. Section 3: Advanced Topics
11. Chapter 8: Building Wireless Nodes 12. Chapter 9: Let's Build a Robot! 13. Chapter 10: Designing TinyML Applications 14. Chapter 11: Let's Build a Product! 15. Chapter 12: Best Practices for Working with the Pico 16. Other Books You May Enjoy

Classifying images

In this section, we will discuss an image classification example using the Pico. We will use a binary that has been already compiled and can be downloaded to determine whether a person is present in the frame that's been captured by a camera. Let's get started:

  1. First, download the compiled binary from https://github.com/ArduCAM/RPI-Pico-Cam/blob/master/tflmicro/bin/person_detection_screen_int8.uf2.
  2. The next step is to put the Pico in bootloader mode to load the binary. We recommend checking out Chapter 1, Getting Started with the Raspberry Pi Pico, if you are not familiar with the process.
  3. Copy over the downloaded binary to the Pico.
  4. Now, we need to interface the camera module to the Pico as follows, where the left-hand side of the arrow refers to a pin on the camera module and the right-hand side of the arrow refers to a pin on the Pico:
    • CS → GP5
    • MOSI → GP3
    • MISO → GP4
    • SCK → GP2
    • GND pins tied together
    • VCC &...
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