pt100

一个简易的频率计，主要用检测在一定范围内的频率，当然频率过大会有误差(A simple frequency meter, mainly used for testing in a range of frequencies, of course, frequency of errors over the General Assembly)

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. )

四位十进制频率计的源代码,详细,清楚地写出了设计语句(four decimal frequency of the source code, detailed and clearly written into the design statement)

利用STM32F103作为主控制器，控制BUCK电路稳压稳流输出。(STM32F103 is used as the main controller to control the steady voltage and current output of BUCK circuit.)

电子温度计，可以准确的测量当前的温度，经过长时间的测量，误差不到1度(Electronic thermometer, you can present an accurate measurement of temperature, after a long period of measurement error less than 1 degree)

说明：  中级和高级例程我们会不断更新，此例程主要结合实际开发给用户提供一些实实在在的例程。 程序仅供参考，如有问题可参考基础实验例程内的一些基础程序理解。只要将基础例程学习好，中级和高级都是在此基础上扩展的。本公司不对此部分内容技术支持。(Intermediate and advanced routines will be constantly updated, this routine mainly combined with practical development to provide users with some real routines. The program is for reference only. If you have any questions, you can refer to some basic programs in the basic experimental routine. As long as the basic routines are well studied, both intermediate and advanced levels are extended on this basis. The company does not provide technical support for this part of the content.)

pic modified sine wave inverter circiut

Test ifnonnull extends DxTestCase.

飞思卡尔MC9S08AW60的8位单片机ADC代码，可以将输入的模拟量经过AD转换后，输出到LCD显示(Freescale MC9S08AW60 analog 8-bit microcontroller ADC code can be entered after AD conversion, output to the LCD display)

STC1256xxAD系列MCU实现8路PT100温度巡回检查程序，温度过高或过低报警。(STC1256xxAD Series MCU achieve 8 PT100 temperature roving inspection procedures, high or low temperature alarm.)