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通过把开机次数记录在24C02中，并在数码管上显示出来， 124C02的写保护脚为低电平，即允许写(Boot number of records in the 24C02, and displayed on the digital 124C02 write-protect pin is low, that is allowed to write)

自带小范围坐标识别，电机控制，语音控制，红外距离探测，电池充电控制，障碍识别，路径规划的功能，代码是基于单片机实现的！(It has the functions of small area coordinate recognition, motor control, voice control, infrared distance detection, battery charging control, obstacle recognition and path planning. The code is based on MCU.)

说明：  惠普打印机 PCL5 语言 命令函数程序代码参考(hp pcl5 printing command reference)

CC2530 步进电机控制实验。一个简单的例程(CC2530 stepping motor control experiment)

串口发送数据，字符，12864接受并显示字符(Serial port to send data, the character, to accept and display the character 12864)

国内专业手机生产厂商PCBA验收检验标准！！！(Professional mobile phone manufacturer PCBA test)

DS1302 说明以及驱动程序 资料翻译 单片机学习必看(DS1302 instruction)

基于单片机的温度控制系统设计毕业设计是大学毕业时必完成的大作业，其中基于单片机的温度控制系统设计毕业论文用以描述整个设计的业务流图,E-R图,数据流图等范文 基于单片机的温度控制系统设计设计则是在某种开发语言上设计与实现的源代码或源程序.全套设计论文包括开题报告,答辩稿,外文翻译,需求分析,中期报告等资料. (Temperature Control System Based on Single Chip graduation graduating from college is a big job will be completed, in which the temperature control system design based on single-chip design thesis to describe the entire business flow diagrams, ER diagrams, data flow diagrams essay based on SCM design of temperature control system is in the design and implementation of a programming language source code or source code. complete design papers include opening report, the respondent draft, foreign language translation, needs analysis, interim reports and other information.)

NPN silicon planar epitaxial transistor encapsulated in a SOT223 surface mounted envelope and designed primarily for use in hand-held radio equipment in the 470 MHz communications band.

21天学通51单片机开发源代码，学习51单片机的教材，值得下载(21 Days 51 MCU development of source code, 51 MCU learning materials, worth downloading)