利用VB通过串口控制单片机读写24C02源代码程序-The use of VB to read and write through the 24C02 single-chip serial port control program source code

用VB通过串口与数字电表进行通信，定时将数字电表的数据存储到SQL表中-Through the serial port using VB to communicate with the digital meter, digital meter timing data stored in SQL table

Find duplicate In database Sql server