Use of the 555 integrated circuit for the construction of a PWM module

IF 1.1 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
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引用次数: 0

Abstract

The use of technology has become increasingly viable in classrooms, especially in physics classes. Explaining phenomena related to circuits becomes simpler when we can provide practical examples to students. The present article aims to describe the construction of a low-cost PWM module, which was used in the classroom to demonstrate the basic principles of digital electronics. The module was built with the 555 integrated circuit and a few other components. The assembly was made on a breadboard. The results from the operation of the board were analyzed with a digital oscilloscope and corresponded to what was expected in theory, the compatibility of the pulse width could be successfully verified, as well as the effect of simulating the analog output signal. Alternatively, the prototype was also used with an electric motor to visualize the influence of pulse width on the motor's rotation.
利用555集成电路构造了一个PWM模块
科技在课堂上的应用越来越可行,尤其是在物理课上。当我们能给学生提供实际的例子时,解释与电路有关的现象会变得更简单。本文旨在描述一种低成本PWM模块的构建,该模块用于课堂演示数字电子学的基本原理。该模块由555集成电路和其他一些组件组成。组装是在面包板上进行的。用数字示波器对电路板的运行结果进行了分析,结果与理论上的预期相符,成功地验证了脉冲宽度的兼容性,以及模拟输出信号的效果。另外,该原型还与电动机一起使用,以可视化脉宽对电动机旋转的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Brazilian Journal of Poultry Science
Brazilian Journal of Poultry Science 农林科学-奶制品与动物科学
CiteScore
1.80
自引率
9.10%
发文量
60
审稿时长
>12 weeks
期刊介绍: A Revista Brasileira de Ciência Avícola surgiu em 1999 a partir da necessidade que a comunidade científica possuía de um periódico para veiculação e publicação de seus trabalhos, com a publicação de três números anuais. A Revista conta hoje com um corpo editorial altamente qualificado e com artigos científicos desenvolvidos pelos maiores especialistas da área, o que a cada dia atrai mais leitores em busca de inovação e respaldo técnico. Devido à credibilidade que conquistou pelos esforços de sus autores, relatores e revisores, a Revista ganhou caráter de coleção, sendo consultada como fonte segura de estudo desenvolvidos na Avicultura. A partir de 2003 – volume 5 -, a Revista passou a chamar-se Brazilian Journal of Poultry Science, e todos os trabalhos passaram a ser publicados em inglês. No mesmo ano subiu para quatro o número de revistas por volume, ampliando-se assim os trabalhos publicados anualmente.
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