[color=#333333][font=微软雅黑][size=4]I want to design a 0v and (-12v) square wave with a frequency of about 10k and a current output capacity of 30ma. I wonder if any of you masters have a better method~
SUBDIRS := jffs2 cramfs fdos fat reiserfs ext2 .depend all: @for dir in $(SUBDIRS) ; do \ $(MAKE) -C $$dir $@ ; done What does this mean? I added some files under u-boot/fs, how should I modify this m
I'm using 101 and found that it occasionally crashes, meaning the program stops running. I can't restart it by pressing the reset button, and I can only turn the power on and off to run it normally. T
More and more friends are joining the ranks of cycling enthusiasts. I am also a cycling enthusiast. Although cycling is fun, it is also dangerous due to the inherent conditions of bicycles. Many cycli
I didn't want to do it originally, but my friend recommended it to me, so I took it for face reasons. After copying a few boards, I have gained some experience. I can basically copy them exactly the s