基于单片机的超声波测距系统

An ultrasonic distance measurement system based on single-chip computer

介绍了一种基于单片机的超声波测距系统,采用了相关计数法的超声波测距原理,给出了电路原理图和软件设计流程图及实验结果.实验结果验证了本系统具有成本低、精度高、电路简单以及抗干扰性好等优点,可以广泛地应用于一些中小规模的测量系统.

This paper presents an ultrasonic distance measurement system based on single-chip computer,introduces the operating principle and the correlative counting method,and provides the circuit diagram,the software flow chart and the experimental result.The experimental result shows that the advantages of this system are of low price,high accuracy and simplicity.The proposed system can be widely used in the miniature distance measurement system.