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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Interfacing a CO2 sensor with the Pico

In this section, we will discuss interfacing the CO2 sensor with the Raspberry Pi Pico. This section is meant for those who don't have access to a local data source for air quality. The SCD30 sensor has a measurement range of 400–10,000 ppm. We chose this sensor because it comes with an onboard temperature sensor that provides temperature compensation to the CO2 concentration calculation. The datasheet for the sensor is available from here: https://bit.ly/3tyJZ9C. We will measure the CO2 concentration and publish it to ThingSpeak, a service we discussed in Chapter 4, Fun with Gardening!. This will enable us to share a public dashboard of the local air quality levels.

If you have access to a public data source, you are welcome to skip this section and move to the next section where we test the motors.

We are assuming that you have installed the required libraries to communicate with the sensor using the instructions from earlier...

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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.
Read more about Srihari Yamanoor

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