You're reading from Raspberry Pi Pico DIY Workshop

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Published inMay 2022

PublisherPackt

ISBN-139781801814812

Edition1st Edition

Concepts

Single Board Computers

Authors (2):

Sai Yamanoor

Srihari Yamanoor

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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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Raspberry Pi Pico DIY Workshop

Published in: May 2022Publisher: PacktISBN-13: 9781801814812

Authors (2)

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 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.
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