范文编号:JD698 范文字数:9603,页数:25 摘要 本范文中研究了一种精密数字气压计的软硬件实现方法。此数字气压计能够实时显示所测气压值。 关键词:气压计; 气压传感器;V/F转换器; 单片机 Abstract A method to devise a digital precision barometer is illustrated in this article.The barometer can display the barometric pressure value which measure in time.The sensor outputs the voltage signal responsing to the air pressure.The singal is converted by V/F converter.then inputted into single chip microcomputer(SCM)and displayed on LED synchronously.This kind of barometer is portable.Easily operated and absolutely accord with the design requirement. Keywords:barometer;air pressure sensor;V/F convertor;single chip microcomputer
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