I made a PID circuit for laser power. It will be affected when someone is walking around, but it will not change when no one is around. Because it is a fiber laser, there is no space part in the optic...
I want to use 51 single chip microcomputer to make a waveform recognition device. It can distinguish external sine wave, triangle wave and square wave signals. What algorithm should be used to impleme...
We have a device that uses a 08 card to control the movement, and the grating ruler is used as a displacement sensor. The signal output is connected to the 08 card, and the middle is connected as show...
As an RF engineer, your work will more or less involve power amplifiers. Power amplifiers can be said to be a hurdle that many RF engineers cannot avoid. Functions, classifications, performance indica...
Main programI am using STM32F103C8T6, driving SIM800C. The original program was good. Later, the hardware was changed, and DTR and STATUS were added as shown in the figure. I checked the manual and fe...
Eeprom read and write timing, test read and write subroutine functions, can normally complete single byte (8bit) read and write, interested can look at the test timing diagram, welcome to criticize...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Previously, Positive Motion Technology shared with you the firmware upgrade of motion controller, ZBasic program development, ZPLC program development, communication with touch screen and input/out...[Details]
introduction
In recent years, multi-touch has emerged as a new alternative to traditional human-computer interaction. It eliminates the need for keyboards and mice, enabling simultaneous inter...[Details]
The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
On August 18, according to a report by Xinbang, China's leading EDA company HuaDa JiuTian will launch this month (August 2025) China's only full-process storage EDA solution that can support ultra-...[Details]