ECGDATAV6test1

说明：  串口发上来数据，前三个字节为枕头，四个字节代表一个数据。一共15字节，把数据存到txt,运行画出波形
(The serial port sends the data. The first three bytes are the pillows, and the four bytes represent one data. A total of 15 bytes, the data stored in the txt, running draw a waveform)