早些做了一件事。24高

51单片机制作的电子钟，增加日期显示，带有详细的注释。-51 MCU production of electronic bell, the date of increase, with detailed comments.

SD卡的简单介绍，包括SD卡的分类，协议，脚位定义等。-SD card, a brief introduction, including the SD card classification, protocol, pin definitions.

SMC162S实现时钟，可以计时，即实现数字时钟-Realize SMC162S clock, can be a time, that is, digital clock

一个不错的keil优化手册，适合初学者，希望能提供帮助-A good optimization keil manual, suitable for beginners, hoping to provide help

是一个贴片元器件的代码对照表，方便查找。-component is a patch of code comparison table to find convenient.

很好的源代码,x250汇编源码,X250读写功能,-good source code, compile source SCH-X250, SCH-X250 features,

功能描述： 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行 频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对2－40KHZ 的信号频率进行准确计数，计数误差不超过2/1-Functional Description: Using AT89S51 MCU T0, T1 timing counter function, to complete the input signal frequency counting, counting the frequency of 8 resulted in the adoption of dynamic digital tube display. Request to the 2-40KHZ signal frequency accurately count, counting error of less than 2/1

关于介绍AVR单片机指令的一本书，挺不错的，在开发单片机上方便查询-AVR on the introduction of a single-chip instruction book, very good, in the development of single-chip to facilitate query

此模块是我在以前公司做热风枪项目时设计的一个模块，用于实时显示当前温度，其精度可以达到1摄氏度，三位半液晶显示，界面美观，稍作改动也可用段码LED作为显示。 程序功能：10位A/D的温度采集（热电偶）；TN段码液晶驱动；温度补偿； 文件包括：所有C源程序；完整的项目文件包（基于MCU：HT46R23） PCB HT46R23 DATASHEET 三位半液晶片DATASHEET-This module is in my hot air gun to do before the company projects a module designed for real-time displays the current temperature, its accuracy can reach 1 degree Celsius, three semi-liquid crystal display, interface aesthetics, make a minor amendment to paragraph can also be used as a code LED display . Program features: 10-bit A/D Acquisition temperature (thermocouple) TN LCD driver code segment temperature compensation documents include: All C source code complete package of project documents (based on the MCU: HT46R23) PCB HT46R23 DATASHEET 3 semi-liquid crystal film DATASHEET

CF卡的技术规范。比较新的版本了。希望对有关的同志有所帮助。-CF card specifications. Relatively new version. Hope that the comrades of the help.