CFileDialog dlg(true,NULL,NULL,OFN_ALLOWMULTISELECT,L"MP3文件|*.mp3",NULL); if (dlg.DoModal() == IDOK) { AfxMessageBox(L"df"); } It's actually very simple. As shown in the code above. You can select mul...
Focusing on the leading edge of embedded technology, Xinyingda Embedded Project Development Guidance Center has a group of unique engineers with rich development experience - Xinyingda is engaged in t...
With the popularization of the Internet, people can get more and more information from the Internet. In the past, people could only get text and some simple graphic information, and very little video ...
[i=s]This post was last edited by qwqwqw2088 on 2021-11-17 08:29[/i]MOSFET gate drive adjustment circuit: R16, R17, R18, D17"In order to optimize the switching operation of the external MOSFET Q1, an ...
Electric motors and internal combustion engines of the same power have similar torque levels. High power requires high torque, and torque determines a vehicle's acceleration speed, commonly known a...[Details]
With the advancement of science and technology and the promotion of green, energy-saving, and circular development, the demand for precise control and accurate measurement is increasing. In the pow...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[Details]
Recently, Orbbec issued an announcement that its application for issuing A-shares to specific objects in 2025 has been accepted by the Shanghai Stock Exchange.
The announcement shows that the ...[Details]
Principle of single-phase AC motor
The starting methods of 220V AC single-phase motors are roughly divided into the following categories:
The first type, split-phase starting, as shown in...[Details]
By integrating Ceva's NeuPro-Nano and NeuPro-M neural processing units (NPUs) into ALi's VDSS platform, it provides efficient AI acceleration for intelligent edge devices
, thereby driving th...[Details]
The idea of vehicles sharing information and collaborating to make transportation safer, more environmentally friendly, and more enjoyable is incredibly appealing. The various technologies associat...[Details]
A car's drivetrain is essentially a system that includes the engine (a traditional internal combustion engine) that powers the vehicle, transmitting that power to the transmission, drive shaft, and...[Details]
As industrial automation evolves toward high precision and high flexibility, industrial robots must achieve millimeter-level trajectory tracking and dynamic error compensation in complex environmen...[Details]
Recently,
Alibaba Tongyi Qianwen released two new versions of its 30B (30 billion parameters) MoE models: Qwen3-30B-A3B-Instruct-2507 and Qwen3-Coder-30B-A3B-Instruct
. On AI PCs equipped w...[Details]
Naxin Micro has launched the NSD7315 series of high-current H-bridge driver chips, which have a 40V withstand voltage capability and a 10A peak output current. They support both hardware and softwa...[Details]
According to the Tianyancha app, Shenzhen Yushu Intelligent Robot Co., Ltd. recently underwent a business registration change, adding Zhiyuan Robot's affiliate Zhiyuan Innovation (Shanghai) Technol...[Details]
In the summer of 2025, Volvo launched the XC70, a low-key yet highly informative hybrid SUV. As the first mid-to-large-sized model built on the SMA super-hybrid architecture, the XC70 marked a sign...[Details]
When the engine is operating normally, the generator supplies power to the electrical equipment and charges the battery. When starting, the battery supplies power to the starter. Since the generato...[Details]