关于液晶12864，串口通信RS232，步进电机，数码管动态扫描，时钟程序，音乐兰花草的小程序，都是在CVI上开发的，好用。-On LCD 12864, serial communications, the RS232, stepper motors, digital tube dynamic scan clock program, small program of music orchids are developed on the CVI, easy to use.