Measuring CO <inf>2</inf> with an Arduino: Creating a Low-Cost, Pocket-Sized Device with Flexible Applications That Yields Benefits for Students and Schools

Hernan Pino, Vanesa Pastor, Carme Grimalt-Álvaro, Víctor López

Research output: Contribution to journalArticleResearch

6 Citations (Scopus)

Abstract

© 2018 American Chemical Society and Division of Chemical Education, Inc. In this article, a low-cost and pocket-sized setup for measuring CO 2 is presented. This setup is based on Arduinos, making it economic and open to modifications or improvements that satisfy other needs. It is composed of an Arduino board, a CO 2 sensor, an SD-card module, and a control panel. The device has been tested in three different experimental contexts that are typically used in primary and secondary science education: chemical reactions, plant photosynthesis and respiration, and gas diffusion. Results show major potential for the device, both for promoting students' model-based inquiry and for encouraging students to build their own devices and develop engineering practices. The other advantages of the proposal, compared with commercial data loggers, are also discussed.
Original languageEnglish
Pages (from-to)377-381
JournalJournal of Chemical Education
Volume96
DOIs
Publication statusPublished - 12 Feb 2019

Keywords

  • Computer-Based Learning
  • Demonstrations
  • General Public
  • High School/Introductory Chemistry
  • Interdisciplinary/Multidisciplinary
  • Laboratory Computing/Interfacing

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