Some of the knowledge points involved in the "power supply" competition questions are not included in the professional courses for some students, so they need to figure them out by themselves. This is
When sending data from the microcontroller memory to a PC, do we need to create a cache before sending it to SBUF, or can we directly transfer the data to SBUF?
Under the wince5.0 platform, after dialing with the 3G\EVDO module, the dial-up connection shows "connected", but the web page cannot be opened. After a while, it prompts that the connection is lost,