C8051F021的便携式心电监视仪。本文介绍了一种单片机控制系统。用液晶显示模块显示结果，用Flash存储记录，USB接口进行大量数据上传，并设计了一套心电识别算法，对心电信号异变实行检测和报警。-C8051F021 portable ECG Monitor. In this paper, a single-chip microcomputer control system. LCD display module display the results recorded using Flash storage, USB interface to upload a large amount of data, and design a set of ECG recognition algorithm, the implementation of ECG mutation detection and alarm.