实时时钟RTC4553的测试程序，编译环境为伟福6000，汇编程序

nRF9E5的性能测试程序,该程序控制开发板的一个灯的亮与灭.-nRF9E5 the performance test procedures, the control of a development board with the bright lights out.

单斜率模拟数字（ A / D转换）演示代码-Single-Slope Analog-to-Digital (A/D) Conversion

关于51单片机的ucos-II操作系统移植论文，详细介绍简单操作系统的移植硬件知识和CPU结构知识及单片机软件编程技巧-About 51 MCU ucos-II operating system migration papers, details of a simple migration of hardware, operating system, CPU structure of knowledge and the knowledge and SCM software programming skills

温度传感器，控制电机转速，c语言程序源代码-温度

时钟芯片DS1302的设置、读取和测试程序-DS1302 clock chip settings, read and test procedures

详细介绍1602LCD的应用方案，便于设计者选用不同的LCD来设计产品-1602LCD detailed applications for designers to choose different design of LCD Products

用Keil　C51写的步进电机驱动程序。-Keil C51 was made with the stepper motor driver.

用C语言实现的1602液晶显示程序，程序已经调试好了-Using C language program of the 1602 liquid crystal display, the program has good debugging

C51单片机端，实现收到的HEX代码转换为BIN代码，并写入ROM中。-C51 single-chip client, realize received HEX code convert BIN code and write ROM.

arm lpc2132 driver for GPIO_KeyIn