I. Multiple choice questions (70 points) 1. "Baogu" refers to ( ) A farmer B wheat C locust D corn 2. "Pisio" is used to describe a person who ( ) A has a long tongue and spreads gossips B a pickled p...
Dear experts, I want to use 51 to control SIM300 to send and receive data through the serial port. Now I have connected the SIM300 module and 51 experimental board through the serial port, but the mod...
Life is short, you must be sexy~1.jpg (19.9 KB)
2010-12-24 11:12Everything is just floating clouds ... floating clouds ...2.jpg (29.87 KB)
2010-12-24 11:12Ah! School is over!!! I have a nice butt~~~ H...
By controlling the opening current and closing current of the MOS tube G level, different opening and closing speeds can be achieved.
However, since the difference is on the order of ten to the ninth ...