说明：  本人以前做的些东西，程序陆续上传，和大家一起分享。本人由于无线上网，慢，所 以就只能一个个上传了，谅解！（焦距电机,温度 投影 工业控制、打印机、电子音响 、步进电机、示波器、接口转换、双机、PC、USB通信、温度闭环控制、电机调速、点 阵显示屏、救护车、交通灯、语音录放、IC卡读写、液晶等等，还有些自己都不知道 是什么了，大家自己看看。）
(I used to do something, procedures one after another upload, and share with everyone. I have wireless Internet access as a result of slow, so only one upload, and understanding! (Focal length of the electrical, industrial control temperature projectors, printers, electronic audio, stepping motor, oscilloscope, interface conversion, double, PC, USB communications, closed-loop temperature control, motor speed, dot-matrix display, ambulances, traffic lights, voice recorders, IC card reader, LCD, etc., and some do not know what is, and everyone could see for himself.))