This course provides an in-depth understanding of the knowledge points of Huawei's HCNA certification exam. The course includes: basic principles of data communication, IP address planning and design, basic VRP operations, etc.
I recently made a board, the CPLD chip used on it is EPM7256SRC-10. Recently, something unexpected happened and I couldn't figure it out. During the debugging process, a printed line connected to VCCI
My computer's D drive originally had 50G. After using it for several years, I kept deleting and saving files, and less than 3G of files were left. Two months ago, my friend repartitioned my computer,
I have three columns (i.e. 3 fields) in a data table, all of which are WCHAR type. I want to query the data of a row based on the value of the second or third column. How can I do this? Urgent...
Cause of the incident: I helped someone design an electronic product in my spare time. I was responsible for writing ARM code and producing schematics, and another engineer produced PCBs. Because the
Title of Work
Smart car based on ESP32 road sign recognition
Author: Wang Zhiyuan
1. Introduction
The smart car based on ESP32 road sign recognition is ESP32 as the master control, controlling the mov