some pdf files describing about PLC concepts and components.

单片机学习资料，现成的试验程序，帮组学习单片机-MCU learning materials, ready-made testing procedures, to help groups learn from SCM

24c02读写程序-24c02 literacy procedures

基于TI DSP/BIOS的usb网卡的实现，源代码内部包含了usb chap9以及rndis相关协议的代码。-Based on TI DSP/BIOS realize the usb network card, the source code contains internal usb chap9 as well as the relevant agreement rndis code.

r&s是一个可裁剪的抢先式实时内核，运行在8，16，32到64位处理器上。-rs is a cutting preemptive real-time kernel running on 8,16,32 to 64 processors.

********************************************************************** 初始化 IIC **********************************************************************/ void InitIIC() { IIC_DIR |= IIC_SCL; //SCL 管脚为输出 IIC_DIR &= ~IIC_SDA; //SDA 管脚为输入 C_SCL; Stop(); } /****************************

输入节点数和子图数，随机生成有向无环图，统计出每个节点的出度和入度，并且将其转换成为十字链表。

这是我制作的一个简易自动入库小车，希望对初学者有点帮助-This is what I produced a simple automatic warehousing car, hoping a little help for beginners

利用csharp实现的小程序，可以将应用程序缩小到托盘，并在关闭是弹出关闭提示-Csharp realize the use of small procedures, the application can be reduced to the tray and turn off turn off pop-up prompts are

嵌入式系统设计的好书，适合初学者，个人感觉不错-Embedded system design book, suitable for beginners, personal feeling good

这个程序扫描:KEY1...KEY4,返回按相应的按键字符: 1 , 2 , 3 , 4 // 并在LCD上显示出来(注:J18要短接给LCD供电).-key1，key2，key3