A few days ago, a student asked me about ARM interrupt nesting. I found that what I took for granted in my mind was not easy for students to understand. ARM has seven modes. Here we only discuss SVC, ...
The LCD of my development board is 800*480. There is no problem with the nk.bin file provided by the development board. However, when I customize it myself using the BSP package provided by the develo...
I want to transplant the linux 2.6.28 system on the hard disk to a USB flash drive. A vmlinux and initrd.img run well on the hard disk. ,0)/grub/splash.xpm.gz hiddenmenu title USB(2.6.28) root (hd0,0)...
I am using msp430g2553 to display Chinese characters on the LCD. However, when I debug in single step mode, it sometimes displays abnormal Chinese characters or letters, and when I run at full speed, ...
I made a USB board, the built-in USB of STM32F103C8T6. The interrupt transmission can be enumerated successfully, and the data can be sent out. The current maximum number of data transmissions is 64, ...
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]
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[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]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
On August 22nd, Lantu Motors unveiled a new technology called "Lanhai Intelligent Hybrid" during a live broadcast of CCTV News' "Top Laboratory." The name sounds like another new term, but a closer...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[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]
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]
For autonomous vehicles to safely navigate the road, they must identify far more complex objects than just traffic lights, pedestrians, and other familiar objects. Among these obstacles is a crucia...[Details]
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]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
SMT placement machines are important equipment in surface mount technology (Surface Mount Technology). Their performance has a decisive impact on the quality and efficiency of electronic manufactur...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]