Hello everyone: I am using MC52I module now. After configuring the dialing, after ATD*99#, there is no data in the serial port, and NO carrier appears after a while. But when I send ATD*99# directly t...
ls /dev/ttyS*[/color][/font][color=#4f4f4f][font=-apple-system, "]The development board is connected to serial port ttyS2[/font][/color] Execute: [font=-apple-system, SF UI Text, Arial, PingFang SC, H...
[i=s]This post was last edited by maychang on 2016-3-19 08:59[/i] 1. The difference between the neutral wire and the ground wire The neutral wire is grounded at the power supply end (power plant, subs...
Hello, everyone:I have a question for you: I am developing in C language in DSPc2000. There are 7 cases in my switch statement. After compiling, I loaded it into DSP. When I used MIX mode to view it, ...
I am a 51 MCU beginner . After writing a program with Keil , I need to solve the following problems when debugging: 1. Some lines in the program can only be broken if there is a gray line in front of ...
I've been looking at code all day these days and I'm really exhausted.
I received a Rubik's Cube from EEworld this morning and played with it.
It was awesome! I also relaxed for a while .Did you recei...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
MQTT Ethernet I/O modules primarily collect I/O port information and transmit data over the network. In addition to being a TCP server, Ethernet I/O modules can also function as TCP clients. Furthe...[Details]
The driving mode is not unfamiliar to vehicles. According to the driving mode of the vehicle, there are front-wheel drive, rear-wheel drive and even four-wheel drive. Four-wheel drive is a major se...[Details]
For new energy vehicles, the importance of batteries is unquestionable. Not only does it determine the performance of the vehicle, but the battery density also has a great relationship with the veh...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Amid the rapid advancement of automotive intelligence, on-board storage has become a thorny bottleneck restricting the "large-scale popularization" of advanced assisted driving.
On the o...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
Simply put, the cockpit domain control chip is the chip that controls the cockpit domain. It's like the brain of the cockpit, responsible for processing and controlling signals from various devices...[Details]
How do the maps used by self-driving cars differ from the maps we use daily, such as those from AutoNavi and Baidu? AutoNavi and Baidu create maps for humans, while high-precision map companies cre...[Details]
On August 18, Tencent Holdings released its second-quarter 2025 results last week, with revenue of 184.504 billion yuan, a year-on-year increase of 15% and a month-on-month increase of 2%; profit a...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]