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汽车遥控钥匙RKE开发：pcf7961相关资料及代码，包括库应用文件、HITAG-3协议说明及软件架构等PDF资料。(RKE development.Remote Keyless pcf7961 relevant information and code, including database application files, HITAG-3 protocol description and software architecture PDF files.)

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不错的拓普微3.5寸LCD显示屏驱动代码，可以参考(Good TOPWAY 3.5-inch LCD display driver code, you can refer to it)

利用单片机（STC89C52）为核心结合机械按键、数码管以及稳压器件等电子元器件组装了一个数字时钟，可以实现精准的计时以及修改等功能；(The combination of mechanical buttons, digital tube, and electronic regulator device the microcontroller (STC89C52) as the core components assembled a digital clock, and can achieve precise timing and modify functions )

飞思卡尔单片机锁相环程序，详细说明了锁相环的配置步骤以及计算方法(Freescale MCU PLL procedures, a detailed description of the PLL configuration steps and calculation methods)

74hc595芯片的使用 51控制595芯片的io拉高(74hc595 chips 595 chips using 51 control pulled io)

j1939在康明斯电控发动机上的应用情况和基本概念(j1939 electronically controlled Cummins engine in the application and basic concepts)

跑马灯设计，主要是利用51单片机完成跑马灯的设计(Marquee design)

VB 开发C51的动态链接库，可以拿来直接用的，(VB-C51 dynamic link library that can be used directly, and)

这是关于电路板的设计图，方便大家下载。呵呵 (This is about the second Five-Year Plan, said a key project for the future development of a box of reference )