Library

说明：  基于飞思卡尔DG128的方波，适合学生学习(Based on Freescale DG128 square wave, suitable for students)

菜单编程操作的源代码，有助于对菜单的理解。。(Menu programming operation of the source code, contribute to the understanding of the menu. .)

超声波测距，可以通过串口助手显示，当小于设定值时，显示0，当大于设定值时，显示1(Ultrasonic Ranging, through serial aides showed that when less than the set value, 0, when greater than the set value, indicating a)

1单片机 控制直流电机转速 PID算法+C语言程序+Proteus仿真 采用PID控制算法控制电机转速，使得电机实际转速与设定转速保持一致。(1 MCU control DC motor speed PID algorithm+C language program+Proteus simulation using PID control algorithm to control motor speed, so that the actual motor speed and the set speed consistent.)

说明：  Ic卡 cpu 卡 发卡源程序 Ic卡 cpu 卡 发卡源程序(ic card cpucard ic card cpucard)

c51单片机的sle4442卡的读写加密验证程序 已通过(c51 microcontroller sle4442 card reader encrypted authentication procedure has been adopted)

PMbus中,可以将query解析,并具有修改，添加，删除等功能，以及生成code.(for pmbus query)

一个数字类型可提高开关电源的设计与实现，可以是很好的借鉴，但是要用特殊软件打开，把文件后缀复制到百度就可以找到(A digital type can increase the switching power supply design and implementation, can be a good reference, but use special software to open, copy the file suffix can be found on Baidu)

自己动手用C语言编写的火车票订票系统，很适合C语言初学者学习和交流(Yourself C language ticket booking system, it is suitable for beginners to learn C language and communication)

基于keil 51的LCD12864驱动开发程序，工程文件已建好，可以直接使用(Based keil 51 of LCD12864 driver development program, project files have been built, can be used directly)