The video surveillance system is a component of the security system. It is a comprehensive system with strong prevention capabilities. Video surveillance is widely used in many occasions because of it
When porting ucos, I want to let the music program, digital tube, and running lights work in rotation. The music program needs to use a timer. But this timer does not provide clock pulses. How can I a
[i=s]This post was last edited by freebsder on 2015-5-23 17:47[/i] [size=13pt]Thanks to @[/size][size=13pt]nmg [/size][size=13pt] for your threats and inducements every other day and your daily encour
[size=3]To our lost childhood (1) After the Chinese test, I cried. After the math test, I realized that I cried too early. (2) Doctor, I can’t sleep recently, I’m in a bad mood, and I can’t eat. What’