The toolbar I created is at the bottom of the screen. I want to change its position, but it doesn't work. Can an expert help me? [code] if (!m_wndToolBar.CreateEx(this,TBSTYLE_FLAT,WS_CHILD | WS_VISIB...
I want to buy a learning board with more functions and better expandability. I saw two models on Taobao: 1. TX-1C 51 from Tianxiang Electronics http://auction1.taobao.com/auction/item_detail-0db2-ee15...
My motherboard configuration is pxa270+wce50. Now there is a problem with the motherboard. There is a problem with the USB device. MS activesync cannot be connected. By checking the signals of the USB...
I am debugging the log function now. When executing the fclose function, it occasionally passes, but most of the time it crashes when it runs to this point. Why?...
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
Introduction
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[Details]
Motors and insulating varnish are inseparable. The composition and manufacturing technology of insulating varnish have been continuously updated and improved, driving the rapid development of motor...[Details]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
Due to its numerous advantages, including low power consumption, high image quality, and lightweight design, LCD (particularly AM-LCD) has become the dominant technology in the flat-panel display f...[Details]
Preface
Portable electronic products are all powered by batteries. With the rapid development of portable devices, the use of various batteries has increased dramatically, and many new types o...[Details]
1. Introduction:
Currently, due to the increasing severity of environmental pollution and the energy crisis, the development of electric vehicles has begun to receive high attention worldwide...[Details]
Plant roots are the primary organs for absorbing water and nutrients, and their structure and distribution directly affect crop yield and adaptability. However, root growth mostly occurs within the...[Details]