I would like to ask the experts, I am using two sim100-E modules to make a client and a server. The client can successfully send data to the server, but the server always fails to send data to the cli
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Hey guys, does anyone know how to implement the read and write function of the USB driver? I have a USB development board, and now I want to send a piece of data from the PC to the USB development boa
When I was a complete novice, I found that I couldn't understand many posts on the forum. Now I have become a general novice from a complete novice. I write something here for complete novices, hoping
In the 21st century home, there are countless examples of how simple everyday devices such as electric motors have been transformed into an integral part of more and more household appliances through