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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

Controlling LED strips

In this section, we will interface a NeoPixel LED strip with the Pico. NeoPixels are serially connected LEDs that are individually addressable. The NeoPixels come in a variety of form factors, namely, horizontal bars, flexible strips, and circular rings. We will be discussing this example with a NeoPixel ring (link: https://bit.ly/3cn5pxj). We are discussing the LED strip interface because they could make a great holiday lighting project or an ambient light controller. Our favorite project using Pico and the NeoPixel LED is this table lamp (link: https://bit.ly/3r6iIdJ).

The examples discussed in this section make use of helper functions from Adafruit.

The NeoPixel ring requires three connections, namely, Data IN or DIN, Power, and Ground (connections shown in Figure 3.23). While the Power pin is connected to the 3.3V pin of the Pico, the Data IN pin is connected to GP10 of the Pico.

Figure 3.15 – Schematic for connecting the...

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