My project uses an ultrasonic module to detect water levels. The ultrasonic module I chose is CH-SR04. The detection range of this module is 2~450cm, and it can detect changes in water levels within a...
[i=s]This post was last edited by DDZZ669 on 2021-11-9 00:04[/i]In the previous articles, we have gradually learned about the various lighting principles of embedded Linux development, from the most b...
The key characteristics of common-mode and differential-mode signals and their suppression methods are introduced, as well as the working principles of filters and their application circuits....