Now I am using STM32 to make a voice arrival bell project. The sound quality requirement is not high. It is to report voices such as "We have arrived at the first floor, go up" and "The second floor i...
The data I used was downloaded from here: [url=https://bbs.eeworld.com.cn/thread-73210-1-8.html]https://bbs.eeworld.com.cn/thread-73210-1-8.html[/url] The arrangement of components on the board is bas...
Detailed description: 50 practical CPLD designs, very classic CPLD designs, including 50 actual typical applications, involving DC motor PWM drive, encoding and other contents. With these 50 examples,...
In daily life, people are increasingly dependent on electronic devices. The upgrading of electronic technology also means that people have high hopes for the development of power technology. The follo...
This is what I wrote. It is written according to my understanding. It is not very professional. I don’t have professional equipment. Hehe, I don’t have an oscilloscope, so I can’t measure various wave...
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]
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[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]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[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]
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]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[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]
Electric vehicles are powered by electricity, and charging is a device that supplements the vehicle's energy source. It is common to need to recharge the vehicle when driving. But can you charge th...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
For today's new energy vehicles, they have different configurations from fuel vehicles, and some configurations have also become a selling point for manufacturers. Compared with traditional vehicle...[Details]
Definitions of VR
, AR, and MR:
What is Virtual Reality?
Virtual Reality (VR), also known as "spiritual realm" or "illusion," is a high-tech technology that has emerged in recent ye...[Details]
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