As shown in the figure, the circuit is an XOR gate + 4-frequency divider. There are two XOR gate input signals, one is a 4MHz square wave signal, and the other is a high and low level. When the high a
[align=left][size=3]570 million yuan of unrefrigerated vaccines flowed into 18 provinces. Recently, this news has been all over the circle of friends. While being angry, there are also some doubts. Wh
Recently, I needed to modify the time in the docker container in a project, but the date command showed insufficient permissions. So I searched on Baidu and found that I needed to add --cap-add SYS_TI