When I was working on the keyboard driver and testing the trackball, I found that the trackball was not very sensitive. Has anyone ever told me how you solved this problem?...
How to convert unsigned numbers into signed numbers in FPGA? And how to convert signed numbers into unsigned numbers? I'm a novice and hope that kind people can give me some advice....
First, here are the picturesThis cheap USB HUB is just this, and it is basically unusable. It keeps cutting off and on when charging. It also says that each port is 500mA, which is skeptical. It says ...
I'm wondering, when I was drawing a PCB, the top wiring was red, but it turned green once it was connected to the pad. What's going on? It's fine if it's not connected. The bottom blue wiring is also ...
It's nothing, I just saw the forum statistics that the number of water versions today has reached 199, so I came to make it the 200th, which is also a small historical moment....
When using AD to sample the power frequency voltage signal, after conditioning, the signal is sampled at 0.2V-2.8V for 50us. Because multiple zero-crossing signals may be sent by mistake due to interf...
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]
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]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[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]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Compiled from semiengineering
The industry is increasingly concerned about power consumption in AI, but there are no simple solutions. This requires a deep understanding of software and ...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
Chip architecture licensing company ARM has hired Amazon's AI chip chief Rami Sinno to help advance its plan to develop its own complete chip, people familiar with the matter said, according to Reu...[Details]
1. When the variable frequency motor stops, the heat source is gone, and the radiation and heat conduction functions of the heat dissipation components themselves are sufficient to ensure that the ...[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]
To meet increasing demands for automotive performance and functionality, manufacturers are vying to incorporate advanced electronic control technologies into their designs. With the dramatic increa...[Details]
The mobile computing model pioneered by smartphones has dramatically changed users' understanding of computer usage, and they are increasingly reliant on mobile computing technology to navigate the...[Details]
Pure electric vehicles, a vehicle type that represents a major future trend, have attracted considerable attention. When it comes to pure electric vehicles, many people associate them with intellig...[Details]
The 2025 World Intelligent Automobile Conference with the theme of "Intelligently Connected Vehicles, Roads, and Clouds, Gathering Momentum for Dual Circulation" was held in Chongqing. The conferen...[Details]
What is Digital TV?
Simply put, "digital television" (DTV) refers to television produced, broadcast, and transmitted using digital signal technology. DTV doesn't refer to the televisio...[Details]