I have a Sony Reader PRS500 e-book. Some time ago, an accident occurred while flashing the firmware, causing the system to be unable to boot. All hard and soft restart methods did not work. I have pro...
During the interview today, the interviewer asked me a questionA frame of data came in the serial port interrupt, but before it could be processed, another frame of data came.
What should I do?
I didn...
I use a 640*480 window. Every time I display it, I find that 1-2 small boxes are displayed first, and then the window is displayed. I think it should be a window animation effect. And I also found thi...
[i=s]This post was last edited by wangfuchong on 2014-2-26 12:14[/i] For example, if the circuit form is like the capacitor step-down power supply in this post [url]https://bbs.eeworld.com.cn/thread-4...
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