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2020
DOI: 10.1590/1806-9126-rbef-2020-0177
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Física experimental com Arduino: ondas em uma corda tensionada

Abstract: Resumo Neste trabalho foi desenvolvido um aparato para estudo do som emitido por cordas vibrantes utilizando a plataforma Arduino. Cordas de aço e nylon foram fixadas a um dispositivo que permitia aplicar uma força de tração às cordas e investigar a relação entre esta força e a frequência do som emitido utilizando em conjunto com o Arduino, respectivamente, um sensor de força baseado no módulo HX711 e um sensor de áudio baseado no circuito MAX4466. O sinal de áudio foi obtido a partir da conversão analógico-di… Show more

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Cited by 2 publications
(3 citation statements)
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“…As in other works in the literature, such as Admiral (2020b), the results of the data collected using Arduino were well compatible with what was expected in theory. In a complementary way to the methodology used by Sousa et al (2020), also using Arduino, but for a wave on a string, has a very interesting degree of precision in the experimental results. In relation to the experimental results from the apparatus, we can highlight the practicality obtained by displaying the information graphically, and in real time.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…As in other works in the literature, such as Admiral (2020b), the results of the data collected using Arduino were well compatible with what was expected in theory. In a complementary way to the methodology used by Sousa et al (2020), also using Arduino, but for a wave on a string, has a very interesting degree of precision in the experimental results. In relation to the experimental results from the apparatus, we can highlight the practicality obtained by displaying the information graphically, and in real time.…”
Section: Resultsmentioning
confidence: 99%
“…The use of Arduino for teaching Physics has been widely documented in the literature, particularly with works that involve the understanding of Mechanical and Electromagnetic Waves, as in the works of Admiral (2020a), Admiral (2020b), Sousa et. al.…”
Section: Introductionmentioning
confidence: 99%
“…Sua principal vantagem é sua prática silenciosa, produzindo menos ruído do que tambor tradicional, sendo ideal para estudos. Usamos a plataforma Arduino, pois a própria facilita a concepção e a realização de experimentos de Física por disponibilizar o software e o hardware que permitem o controle e o processamento de dados obtidos a partir de sensores externos, ou mesmo em suas portas I/O [2].…”
Section: Introductionunclassified