Dear experts, I mainly design and develop the application layer. I have no plans to directly develop wireless low-level chips for the time being. I plan to purchase ready-made wireless modules (UHF, Z...
I know that sendto is mainly about parameters, and I can use it, but sendto requires a char pointer, so I defined a char buffer [1024]; when assigning values, buffer [number] = number; this works, and...
I want to ask if I can observe the pulse signal with an analog oscilloscope. This pulse signal is similar to a switch signal, electromagnetically triggered. The site conditions are limited, and there ...
This morning I used IAR to debug the co-program. At the beginning I downloaded an incorrect program. After correcting it, I could not download it anymore. The above prompt is attached. I have been deb...
It's the second day of the Spring Festival, I thought it would get warmer, but it's snowing now. I just went out and saw a centimeter of snow. I remember when I got home and checked the weather foreca...
Development Board IntroductionLearning Board IntroductionThe GD32VF103C-START learning board uses the GD32VF103CBT6 as the main controller. The learning board uses the Mini USB interface to provide 5V...
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
When American cartoonist Chester Gould sketched the watch on Dick Tracy's wrist, he had no idea that science fiction would become reality 70 years later. As a comic strip artist, Gould imagined fut...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
The World Conference (WC 2025) recently opened in Shanghai. This year's event, covering over 70,000 square meters for the first time, attracted over 800 exhibitors, showcasing large models, AI term...[Details]
In recent years, portable electronic devices such as mobile phones, digital cameras, music players, tablets, ultrabooks, and laptops have become almost a necessity, raising safety concerns. Besides...[Details]
On August 18, John Krafcik, former CEO of Google's Waymo, recently questioned Tesla's Robotaxi service. He said: "Please notify me when Tesla launches Robotaxi. I'm still waiting. If there are empl...[Details]
LiDAR technology continues to improve how robots and autonomous systems perceive, react, and operate safely in a variety of environments. While the technology has been around for decades, recent ...[Details]
2. LED display structure and classification
By properly connecting LED chips (including series and parallel connections) and employing appropriate optical structures, light-emitting segments o...[Details]