四通道的AD采样转换数据，并用于键盘和数码管的操作和显示。附有参考资料和pdf格式的原理图。...

通过小磁片对霍尔传感器所产生的电平变化进行记数的C程序~-Hall sensors through the small disk on the level generated by changes in procedures for counting of C ~

5045的c语言读写程序，经过验证，可以直接使用-5045 of the c language to read and write process, after authentication, direct access to

BU2614 PLL 源程序,直接解压-source code for digital tuning system using BU2614 PLL IC. Please unzip directly.

某公司安装了电子门，要设计门禁系统： 公司的雇员可以凭借密码、胸卡或指纹进入公司 计算机根据雇员的验证方式对其身份进行验证 管理员在监控室可以通过按钮直接开启电子门 访客可以按门铃请求进入，由管理员为其放行 管理员可以为新职员设置密码 -A company to install an electronic gate, to design access control systems: the company" s employees can rely on passwords, badges or finger into the company computer, authentication of the employee to verify their identity can be an administrator in the control room directly through the button to open electronic gates that visitors can rang the doorbell of the request to enter an administrator can be released by the administrator of its staff to set a password for the new

51 单片机的经常用到的子函数，非常具有参考价值。-51 SCM Functions frequently used, very useful.

UNICODE和GB国标码进行互转，比较使用，欢迎下载-UNICODE and GB GB code conversion, compare the use of, welcome to download

基于ｆｐｇａ，采用ｑｕａｒｔｕｓ２的ＤＤＳ信号发生器，采用高速ＤＡＣ９０８为数模芯片，并可通过５１单片机送入调制信号进行ＦＭ调制-Based on the fpga, the use of the DDS signal generator quartus2 using DAC908 number of high-speed chip module, and passed into 51 single-chip FM modulation signal modulation

介绍了基于LPC932 单片机为处理器的电能表的硬件结构和软件流程-Introduction LPC932 microcontroller based energy meter processor hardware structure and software flow

介绍了使用单片机产生音乐的方法，以及生日歌，祝你平安，八月桂花香的示例程序。-Introduce the use of single-chip generated music methods, and the birthday song, I wish you peace,八月桂花香sample procedures.