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...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Nidec Precision Testing Technology Co., Ltd. will participate in "Testing Expo China—Automotive 2025" to be held at the Shanghai World Expo Exhibition and Convention Center from August 27 (Wednesda...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
When it comes to batteries, they're no strangers to car owners. But how should batteries be maintained? How often should they be replaced? What bad habits can affect their lifespan? And what's the ...[Details]