Has anyone made a handwriting tablet software? I want to make a handwriting tablet software, input through the handwriting tablet, and it would be best if it can detect pressure. If I buy a handwritin...
DC motor excitation voltage, excitation current problem, help
We have a DC motor on site, which is used for the cutter head of a flat head machine. The excitation voltage is 180V and the excitation cu...
I use the PWM wave of stm32 to drive a 48V DC motor. When reading the encoder code, it cannot be read accurately as long as the motor is turned on, and an optocoupler and shielded wire are added. What...
I read in the chip manual that the common mode voltage of AD8138 output should only be related to the Vocm pin and not to the common mode voltage of the input signal? But what I see now is that it is ...
Dear teachers, what process should I follow to learn Siemens PLC? What should I learn first and what should I learn later? Please give me some advice. I am confused about the order of learning and don...
[align=left][color=#000][font=宋体][size=12px]We know that in recent years, the technology of Class D amplifier has developed rapidly and its market share has been increasing. However, Class D amplifier...
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[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]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[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]
Chinese characters are extensive and profound, and there are many different names for ESD tubes. How many of them do you know?
As far as I know, ESD diodes are currently known as ESD p...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[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]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
As the electric vehicle industry continues to surge in today's society, while people are concerned about the appearance and interior of new energy vehicles, they are also concerned about the classi...[Details]
The drive shaft is the shaft in a universal joint that transmits power. As a high-speed, low-support rotating body, its dynamic balance is crucial. Generally, drive shafts undergo dynamic balancing...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
According to foreign media reports, due to the massive expansion of Chinese companies in the global electric vehicle market, the capacity utilization rate of South Korea's three major battery manuf...[Details]
2025 World Expo
On August 10, 2025, Beijing—themed "Making Robots Smarter, Making Bodies More Human," the 2025 World Robot Expo opened grandly at the Beijing Beiren Yichuang International Exhi...[Details]
With the accelerated evolution of automotive intelligence and connectivity, the complexity of electronic control systems is growing exponentially, and development cycles and quality requirements ar...[Details]