control

倒计时倒计时板，可以实现倒计时主题修改，时间设置等功能(dajishi)

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. )

说明：  单片机c语言 初学者有用 有例子哦 (SCM c language for beginners there are examples of useful oh)

高速无线射频芯片NRF24L01硬件设计技巧(High-speed wireless radio chip hardware design techniques nRF24L01)

学习电子电路，很好的参考资料，可以学到很多东西。(Learning electronic circuits, a very good reference, you can learn a lot.)

说明：  VB串口通讯实例 高精度电压表(24bit) VB源程序(VB serial communication example high precision voltage meter (24bit) VB source code)

Infi-90读写测试，在安装有COPOSER的计算机上可以运行，采集ABB DCS的控制逻辑块上的数据。(Infi- 90, speaking, reading and writing test, the installation of COPOSER can run on a computer, the data on the acquisition of ABB DCS control logic block.)

51单片机温度采集与显示设计 - 通过DS18B20温度传感器获取温度,并通过数码管显示,并实现了温度可手动校准(51 single-chip temperature acquisition and display design- through DS18B20 temperature sensor for temperature, and through the digital display, and achieve a temperature can be manually calibrated)

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. )

温湿度串口检测程序，实现对数据的读取和检测(Temperature and Humidity Serial Port Detection Program for Data Reading and Detection)