本文介绍一种基于STC89C58RD+单片机、红外传感器技术设计的电子皂膜流量计,详 细说明了它的工作原理、器件选择及研制方法,并采用气压和温度传感器与微处理器结合,进行运算及补偿,保证测量的准确性。 关键词:STC89C58RD+单片机、红外检测、MPX4100、DS18B20 Abstract: This paper describes a electronic soap film flow meter whose design based on the STC89C58RD+ MCU, and Infrared sensor technology. Elaborate on its working principles, the choice of the device and the developed method. And use the atmospheric pressure, temperature sensors and microprocessors that combine computing to correct the test result, in order to guarantee the accuracy of measurement. Key words: STC89C58RD+ MCU; Infrared detection; MPX4100; DS18B20