投影机双串口控制程序，里面功能模块详细，有很大的参考价值。-Projector dual serial control program, which features detailed modules have great reference value.

品牌、型号、串口码对应表。包含了各种各样的投影机控制代码，非常好用的。-Brand, model, serial code correspondence table. Contains a variety of projector control code, very easy to use.