SCM plant monitoring instrument design is a common problem in industrial production. The equipment produced in the factory need to be detected for pressure, flow and temperature. This article carries out measurement display of the three parameters and transfers them back to the upper computer.%单片机工厂监测仪表的设计是一个工业生产中经常会遇到的问题。工厂中对于生产的设备需要检测，诸如压力、流量、温度，本设计针对这三个参数进行测量显示，并传输回上位机。
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