8098单片机调速系统，非常实用，用汇编写-8098 microcontroller system speed, very practical, written in assembler

基于芯片DS12887的电子时钟、日历系统设计和制作，采用C51编程。

拉幕式数码显示技术，有详细的电路图以及C的程序-La-screen digital display technology, a detailed circuit diagram and the procedure C

基于测距式的超声波测距仪，以AT89C51单片机为核心，精度高、有数字显示功能，实验精度达0.5CM-location-based ultrasonic range finder to AT89C51 core, high precision, digital display, experimental accuracy of up to mile

主要考虑处理速度、功耗、程序存储器和数据存储器的容量、片内的资源，如定时器的数量-Main considerations deal with speed, power, program memory and data memory capacity, on-chip resources, such as the number of timer

本软件是单片机通讯的主程序，通过串口传送数据。-This software is the main single-chip communications, through the serial transmission of data.

ICCAVR下的RTOS2系统-ICCAVR system under the RTOS2

可以将单片机与继电器以及温度传感器结合实现温度自动控制系统.例如可以用单片机显示温度传感器测到的温度,还可以在温度到达一定界限时控制继电器的通断以达到控制电路通断的效果.-Can be single-chip temperature sensor and relay, as well as realize automatic temperature control system combined. For example, we can use single-chip temperature sensor measured the temperature, but also the temperature has reached a certain limit of the on-off control relay control circuit in order to achieve on-off effect.

ID卡读写 （51的汇编程序）-ID Card Reader (51 compilation procedure)

AT89C2051驱动步进电机的电路和源码(用keilC51)-AT89C2051 stepper motor drive circuits and source code (using keilC51)