ZYCainiao_sch_pcb

实现STM32单片机使用RDA5807M型号的芯片收音机，代码通过简单的移植，就可以使用。(Implement STM32 MCU chip radio RDA5807M model code by simply transplant, it can be used.)

打孔机主要用于在制造印刷线路板流程中的打孔作业。本问题旨在提高某类打孔机的生产效能。 打孔机的生产效能主要取决于以下几方面：（1）单个过孔的钻孔作业时间，这是由生(this is a new suan fa ofaa)

使用DataAdapter对数据库进行操作 将SQL-search.aspx程序可改为使用DataAdapter对数据库进行操作. 程序使用"Dim objAdapt As New OleDbDataAdapter(strcmd,objCon)"创建了DataAdapter对象。(Use DataAdapter to operate the database The SQL-search.aspx program can be changed using the DataAdapter to operate the database. The program uses "Dim objAdapt As New OleDbDataAdapter (strcmd, objCon)" Creating a DataAdapter object. )

酒精测试仪proteus仿真，单片机进行分析处理，判断是否醉酒驾车，再通过液晶板显示出来。(Alcohol Tester proteus simulation, analysis and processing microcontroller to determine whether drunk driving, and then through the LCD panel display.)

使用IO口模拟I2C时序，包括主机、从机时序。(Using IO port simulation I2C timing, including the host, the machine timing.)

SD卡2.0协议的详细资料，可用与SPI使用(The details of the SD card 2.0 protocol can be used with SPI)

此代码是关于利用51单片机实现步进，滞留等程序的参考用。(This code is on the use of 51 single-chip stepper, detention and other procedures for reference.)

点阵液晶屏的参考程序，内置菜单动能，大家可以研究一下(Dot matrix LCD screen reference program, built-in menu kinetic energy, we can look)

plc 的电梯控制程序，含有组态软件,控制算法。plc 采用三菱fx1n(plc elevator control program, containing configuration software)

这是一个智能电压表的实例，里面有完整的程序。这个电压表可以数字显示电压值的大小。 (This is the example of a table of a smart voltage, which has a complete program. This digital voltmeter shows the size of the voltage value.)