I'm using the 2.6.28 kernel and I'm using a new way to create device nodes. I'm calling the class_device_create function and referencing linux/device.h, but when I compile it I get a message that clas...
[align=left]I. Introduction[/align][align=left] Since Maxwell established the electromagnetic theory and Hertz discovered electromagnetic waves for more than a hundred years, electromagnetic energy ha...
I want to switch to embedded Linux system development, but I don't know whether embedded Linux is developed in C/C++ under Linux, or in the shell using Linux's own syntax? In addition, if it is develo...
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]
In recent years, with the increasing demand for manufacturing and automated production management, industrial barcode scanners have gradually become an indispensable part of the industrial manufact...[Details]
Reflow soldering, a common soldering method in modern electronics manufacturing, primarily melts solder paste and pads to form solder joints. With technological advancements, soldering equipment ha...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
Recently, South Korean robotics giant WIRobotics launched its first general-purpose humanoid robot, ALLEX, at the Robotics Innovation Center (RIH) at the Korea University of Science and Technology....[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[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]
Overview
As handheld voice communication devices become more and more popular, they are increasingly used in noisy environments, such as airports, busy roads, crowded bars, etc. In such noisy ...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[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]
PCB Design
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