8输入简易数字电压表，用了AT89C51

步进电机驱动程序msp430f247单片机-Stepper motor driver msp430f247 Singlechip

u-boot源代码，不支持lcd(440BX)-u-boot source code and does not support lcd (440BX)

本人上传的是 单片机 利用中断方式实现灯的闪烁.asm 源代码 -I upload using the single-chip interrupt realize flashing lights. Asm source code

8019和51单片机的接口电路-8019 and 51 MCU Interface Circuit

单片机定时中断的精确定时编程　里面介绍了５种定时中断的方法误差均不超过1个机器周期-SCM regularly interrupted regular programming precision inside of five species regularly interrupted the error not more than one machine cycle

实现了can的收发功能 是个挺好的测试用例-The transceiver can achieve functional test cases is quite good

192*64显示lcd程序，功能：根据参数x_add,y_add往LCD中写1个字 输入：1： 写到LCD的X、Y坐标；2：数据地址 输出：无-LCD display procedures, functions : the parameters x_add, LCD y_add to write a character input : 1 : LCD wrote the X, Y coordinates; 2 : data output address : None

经典行列矩阵的密码锁~~~~~很多注解~~~很实用-The ranks of the classical matrix locks many comments ~~~~~ ~ ~ ~ very practical

射频卡资料，对射频卡分类、应用、开发工具等都有较为详细的介绍。-RF card, RF card classification, applications, development tools, and others have a more detailed introduction.

P89C669存储实例: 说明： 1. inc 文件夹 是关于P89C669的头文件，在使用下面两个例子前，请首先将头文件拷到 ..KeilC51INC下. 2. Rom 文件夹 是关于P89C669的程序空间使用的例子，说明怎样利用大于64KB的程序空间。 3. Ram 文件夹 是关于P89C669的数据空间使用的例子，说明怎样在各个数据空间定义变量。 -P89C669 storage examples: Note: 1. Inc folder is on the first P89C669 documents, in the use of the following two examples, please first Kaodao header files .. KeilC51INC under .2. Rom folder P89C669 procedures on space use example of how to make use of the procedure is greater than 64KB of space. 3. Ram folder P89C669 data on space use examples to illustrate how the definition of data space in all variables.