When designing a circuit, special attention should be paid to separating the analog circuit from the digital circuit, and the corresponding grounds should also be separated. Improper grounding can cau...
With the improvement of product performance, PCB is also constantly updated and developed, and the lines are becoming more and more dense. "][size=17px]There are more and more components that need to ...
Under the premise of how to add backlight to the segment code screen, let's first understand whether the segment code LCD screen needs to be backlit? Whether the segment code LCD screen needs backligh...
This article comes from City PictorialEvery morning when the alarm goes off, there is a voice lingering in my ears:Is it okay not to go to work?Do I really need this job?Modern professionals turn goin...
1. First of all, let me explain why you need to understand or learn StarterWare. I personally think the first point is that the StarterWare software contains a large number of routines, and the source...
[i=s]This post was last edited by sunboy25 on 2021-5-18 22:59[/i]I would like to ask, the normalized frequency in the op amp filter circuit is too abstract in the book and difficult to understand. How...