匠人手记，描述的是一位单片机爱好者对MCU实践和思考，其中详细的说明里单片机工作者在工作中的体会。本人对此深深佩服。...

源码公开的MCS 51 单片机的宏汇编器 Macro Assembler of MCS MCS-51 micro controller Version 0.12 这是一个应届生写的习作 尽管这个软件A51 还未完全达到满意的效果不过与Keil 公司的A51 配合起来使用还是不错的 公开源码和文档的目的是希望能够给一些爱好者作为学习编译原理和C 程序设计的靶子同时也希望有更多的热心人参与修改源码直至更加完善 来自周立功公司-MCS 51 open-source SCM macro assembler Macro Assembler of MCS MCS-51 micro controller Version 0.12 This is a year of Health to write assignments A51 even though the software is still not yet fully satisfactory, however the effect of the A51 and Keil company with up or a good use of open source code and documentation which aims to compile a number of enthusiasts as a learning theory and C programming target but also hope that more and more enthusiastic to participate in modified source code until a more complete company from weeks Ligong

当按下开关SP1，AT89S51单片机产生“叮咚”声从P1.0端口输出到LM386，经过放大之后送入喇叭。 -When pressing the switch SP1, AT89S51 Single-chip a " ding dong" sound from the output port P1.0 to LM386, after amplification into speakers after.

单片机的系统的开发中对初学者，有很大的帮助，特别是在电子竞赛中应用。-SCM system development for beginners, will be very helpful, especially in the application of electronic competition.

单片机c8051f020片内温度传感器的使用，将是主流的8位单片机-C8051f020 microcontroller chip temperature sensor use, will be the mainstream of 8-bit microcontrollers

DS1302+DS18B20+LCD1602在51系统上的实时时钟-DS1302+ DS18B20+ LCD1602 system in 51 real-time clock

IR识别程序,由INT0输入.适合51单片机.-IR identification procedures, INT0 input. MCU for 51.

自己做的一个小玩意基于步进电机的横切机液晶显示-Their own gadgets to do a cross-section based on the stepper motor drive LCD

这是CRC校验源码的分析，让你更了解CRC校验的原理-This is the CRC-source analysis and let you know more about the principles of the CRC

SMS卡的AT控制程序演示，51单片机用-SMS AT demonstration control procedures, with 51 MCU

在液晶1602LCM的一个计算器的代码。希望单片机的朋友能够下载和交流！-LCD 1602LCM code of a calculator. Hope that SCM can download and exchange Friend!