一款VC写的心电图绘制软件，从串口接收心电图数据，分包，放大后绘制出心电图形。并带有50Hz滤波函数。-Written by a VC ECG mapping software, serial receive data from the ECG, subcontracting, draw amplified electrocardiogram shape. With a 50Hz filter function.

C++ BUILDER 文本框打开关闭的例程，配合 串口软件-BUILDER C++ text box to open the closure of the routine, with the serial port software