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Design and implementation of new-style overweight and weightlessness demonstration instrument
Author(s): 
Pages: 54-55,92
Year: Issue:  8
Journal: Journal of Hunan University of Science and Engineering

Keyword:  AT89C52超重失重光电门检测演示;
Abstract: 失重和超重是力学中两种抽象的物理现象.利用微处理器作为控制单元设计的超重、失重演示仪,精确而且直观地演示出超重和失重的物理现象.整个演示仪以AT89C52单片机为核心,由光电门检测电路、数码管显示电路、按键等电路组成,电路结构简单、性能稳定、易于操作、成本低廉,在实际应用中取得了良好的教学效果.
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