The data collection system based on MCU has the advantages of low cost and good expandability.At the same time the analog and digital signals can also be preprocessed by the MCU system.

• 基于单片机的数据采集系统成本相对较低，接口的可扩展性好，同时，模拟量和开关量的预处理工作也可以由单片机来完成。