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 Applying Arduino and individually addressable LED strips to the development of interactive materials to promote computer science undergraduate course. In <em>Proceedings of the 20th Latin American Congress on Free Software and Open Technologies</em>, October 18, 2023, Foz do Iguaçu/PR, Brasil. SBC, Porto Alegre, Brasil, 97-101. DOI: <a href="https://doi.org/10.5753/latinoware.2023.236525">https://doi.org/10.5753/latinoware.2023.236525</a>.