In actual circuits, the magnetic field strength is generated by the excitation current passing through the primary coil of the transformer. The so-called excitation current is the current that magneti...
[i=s]This post was last edited by ylyfxzsx on 2019-5-20 12:21[/i] Recently, a Japanese-made Deshi power supply (formerly Kenwood power supply) that has been in use has failed and reported the error AD...
I was quite interested in M7 before, but after getting it, I felt that it was not much more advanced than stm32F429, except for the higher main frequency and QSPI, which seemed to be the only feature....
[i=s]This post was last edited by flashtt on 2015-6-12 19:51[/i] I use 51 MCU to drive stepper motor through ULN2803. The stepper motor only vibrates. When I apply force with my hand, it will rotate. ...
Our company is engaged in chips, and I am a newcomer. I am not very familiar with these chips. I want to learn, but I don't know where to start. Please recommend some good books for me to learn, prefe...
I have a USB printer. There is only one "XX Inc. Color Printer." under "Universal Serial Bus Controllers". This device is not found under other nodes. What kind of USB device does this device belong t...
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[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]
A scale, a large, ground-mounted scale, is typically used to measure the tonnage of truck cargo. It's the primary weighing device used in factories, mines, and businesses for bulk cargo measurement...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
introduction
As core electronic components used in vastly different fields, automotive-grade chips and mobile/consumer-grade chips exhibit significant differences in their...[Details]
introduction
The OMAP-L138 dual-core processor is a new generation of low-power single-chip systems (SoCs) from TI. It is widely used in communications, industrial, medical diagnostic, and aud...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
In microwave amplification circuits, the power chip is the core of the entire circuit. A large number of semiconductor devices in the chip will generate a lot of heat when working. If the heat diss...[Details]
In July 2025, stimulated by the "old for new" policy, China's new energy vehicle penetration rate reached a historic 50% mark. While industry experts like Cui Dongshu celebrated the market's perfor...[Details]
On August 19, Reuters reported that people familiar with the matter said that Nvidia is developing a new AI chip based on its latest Blackwell architecture for the Chinese market. The performance o...[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]
Mathematical functions are very important and are used in many situations such as analog quantity processing and PID control.
(12) Calculate sine value instruction (SIN)
The "Calculate Si...[Details]