I’ve been having a headache with security issues while working on a project recently. I came across an article and would like to share it with you. Author: FengGou Link: [url=http://drops.wooyun.org/t
Using two transistors with the same characteristics, make them both work in Class B state, one of which works in the positive half cycle and the other in the negative half cycle, and then try to combi
A few days ago, I saw a post saying that some unknown brand switching power supplies use fake PFC inductors. Today, I finally encountered one. Without further ado, here are the pictures.Let’s first lo
Keywords: [b]Video Server[/b] With the demand of urban monitoring projects in various places, the stability of domestic network applications and the rapid development of high bandwidth, these have bec
I have already placed copper on the top layer, and now I want to mirror the copper on the top layer to the bottom layer, while keeping the copper on the top layer. How can I do this? I have tried drag
The OLED_12896_GR_Lib function is used to draw basic graphics on the OLED display on the development board. It includes a series of functions such as drawing points, lines, circles, and rectangles. Al