I want to make a product, which needs a module like this: There is an LED on it, which can be turned on and off by touching, and dimmed when it is stopped. A long time ago, someone told me that I coul
The mjpg_streamer function is running normally. If I want to start mjpg_streamer automatically after booting, should I add the command to /etc/rc.local? How should I add the command? Thank you
Why must the coefficient of the first-order term s in the denominator of formula (6.3.14) in the figure be greater than zero for the circuit to operate stably?
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