Why do low-frequency voltage sources generally not consider internal resistance, while high-frequency voltage sources such as 2M-30M generally have an internal resistance of 50 ohms?...
I am new to DSP and I took a program developed by someone else, CCS3.1. After compiling it, 25 errors appeared. These 25 errors are all in the Configuration1cfg.s62 file. For example, "Configuration1c...
[i=s] This post was last edited by aibing on 2014-12-25 14:33 [/i] Salary list of 112 IT companies: Huawei is the first, Alibaba is the fourth 2014/10/13 8:52:00 The author is a 2013 graduate of Xidia...
Yesterday I used two transistors to drive a 24V relay through a microcontroller, but now I want to use ULN2003 to drive 7 24V relays through a microcontroller at the same time. I don't know if this is...
How can I write information to a blank chip card in WinCE (ARM9) environment? I use the function provided by winscard.dll to complete the read part, but I don't know how to write data to the card. Has...
[i=s] This post was last edited by Beifang on 2018-3-30 14:10 [/i] Audio Tuner 1 - Unboxing 1. Overview [font=宋体][size=11.5pt] I plan to use this product [/size][/font][font=Tahoma, sans-serif][size=1...
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]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[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]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
On August 22, Lantu Motors officially launched its Lanhai Intelligent Hybrid technology via an online livestream. This intelligent hybrid technology, which integrates a full-range 800V high-voltage...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[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]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
According to Nikkei, Japan has performed poorly in responding to China's power semiconductor challenges.
There are five major companies in Japan's power chip market: Mitsubishi Electric,...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
For today's new energy vehicles, they have different configurations from fuel vehicles, and some configurations have also become a selling point for manufacturers. Compared with traditional vehicle...[Details]
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