I need to use a serial port to send and receive data. But the data needs to be sent in packets, with a header and a tail. In the middle is the content of the data packet, which also includes the modul
I have never had an accurate understanding of the sleep state of a task. The book describes the sleep state of a task as follows: "The task has been loaded into memory, but it is not ready to run. It
Since my computer is running Win10, a removable storage device was quickly displayed as soon as the USB was plugged in, and there was no driver problem as mentioned by other netizens.
It would be nice
[i=s] This post was last posted by Rambo on 2018-10-8 08:51 EditRecently, Ms. Yang from Jinhua, Zhejiang, told the media about her experience: "My iPhone, which was placed flat on the table and chargi
A Simple Introduction to ARM7-LPC213x_214x (Part 1).pd [b][color=red] The second volume is on the 5th floor——[/color][color=black] provided by daicheng[/color][/b]
Here is a calculation method for wireless communication distance in free space propagation: Free space propagation refers to the propagation of radio waves when there is an infinite vacuum around the