application SoniX mother wrote one electrimagnetic cooker, functions more powerf...

采用单片机at89c52实现抢答器，在keil环境下编译。检验有效-Answer realize AT89C52 single-chip computer, and in keil compiler environment. Test effective

一份非常完整的51单片机与P/S2键盘的通信程序，含有大量注释，不错的。-A very complete 51 SCM and P/S2 keyboard communication program, containing a large number of comments, good.

C51 用PCA 模拟串口，很有参考价值得源码-C51 with PCA serial analog, a valuable source

一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。-a 75HZ bell flow real-time detection procedures, high sensitivity, can be used for phone calls Chu flow detection.

LCD应用系统程序，里面有proteus仿真程序。-LCD application procedures, proteus simulation program there.

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

arm的BCD转HEX，HEX转BCD的汇编程序-arm of the BCD switch HEX, HEX BCD to the compilation process

此为基于PT2272的无线接受程序，经过实验,可行.

是简单的E2PROM在单片机上的读写程序-E2PROM is simple to read and write in SCM on the procedures

凌阳单片机以SCAM_2000语音格式播放程序的编写方法-Sunplus MCU to SCAM_2000 voice format player in the preparation method