As simple as possible thank you for your brother

CodePudding user response:

This is don't want to write my homework, direct access to the Internet to find

CodePudding user response:

Very simple, start-stop function already, other can be added to https://blog.csdn.net/xianfajushi/article/details/89448933

CodePudding user response:

Several electric counter design, looking for a book electricity see will become