The step-down circuit shown in the figure
In normal operation, if there is a sudden power failure, that is, all three power supplies are gone, and then the power is turned on again
When the op amp U1 ...
In 2005, the sales of Shenzhen's automotive electronics industry reached 16 billion yuan, and five years later, this figure will double due to the promotion of the automotive electronics industry clus...
The so-called "BlackBerry" refers to a mobile email system terminal that can be used with a mobile phone. The origin of BlackBerry: During the "911 incident", almost all US communication equipment was...
After get off work today, I had a good meal, washed the dishes, and coaxed the baby. I finally had some free time. I took a popsicle and came to the computer, and opened the webpage as usual. Wow. The...