moxa 公司出的串口库，带开发源码，非常方便的串口开发工具-The serial moxa company database, with the development of source code, the serial port is very convenient development tools

多点温度采集上位机程序(原程序),这是配合这是配套本人上传的“多点温度采集系统”的上位机程序，一整套的东西，通这RS232接收下位机传来的数据，显示和画走势图，还可以控制下位机，通信协议在“Multi-point_temperature _system.rar”-Multi-point temperature of PC acquisition procedures (the original program), which is in line with this is the package

荣达RD-DH打印机测试程序，通用 ESC/P 打印命令，字符、汉字、图形的正向、反向、左右旋转打印，反白，上下划线、左右划线打印以及任意变高、变宽，行间距、字间距调整、水平制表、曲线打印、条形码打印等功能以及以上功能的混合打印(Ronda rd-dh printer test program, general esc/p printing command, characters, Chinese characters, graphics forward, reverse, left and r