Installed tmake 1.11 qt/Embedded2.3.7 QT2.3.2for x11 environment is redhat9 with built-in qmake3.1 version. I found that the examples under qt/E can be loaded into qvfb for running. The examples under...
I am a beginner. I want to learn MCU, so I bought a learning board. I brought some learning materials and now I share them with friends who are also planning to get started with MCU. I hope it will be...
This is my first time developing for Windows CE, and I am using eBox. I need to port OpenCV to Windows CE. In addition to http://blog.csdn.net/hellogv/archive/2010/07/08/5721129.aspx , is there any in...
I have a simple question. In the amplifier circuit in the figure, Vout=-(Rf/R1)*Vin. I don't understand how R1 and Rf are generally chosen. If the amplification is 100 times, according to the formula,...
[i=s]This post was last edited by chenzhufly on 2014-9-30 17:30[/i] [b][size=10.5pt]1[/size][/b][b][size=10.5pt]、 Installation environment[/size][/b][color=#6D6D6D][/color] [size=10.5pt]Linux[/size][s...
I want to write a program to transfer the image data on the development board to the computer via USB. What is the general idea to achieve this? Thank you~...
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[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]
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]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[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]
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, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[Details]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
High-definition media consumption is experiencing a dual growth: an increase in the number of consumers and a transition to higher-definition content. This growth is driven by increasingly widespre...[Details]