Is the keyboard connected to a fixed position for the arm9 chip? If it is not a standard keyboard, is it also in a fixed position? Is there any information?...
I have two 3.3V-1W isolated power modules on hand, because I need to power a 3.3V LCD and a single-chip microcomputer, but the power of the LCD plus the power of the board is greater than 1W. So I wan...
Suddenly I realized that I hadn't considered the tickets earlier this year. I remembered the experience of queuing for 3 kilometers last year, so I decided to shamelessly ask which great person can ge...
I recently helped a friend push some recruitment information and learned that the company has an internal recommendation mechanism. The people recommended by the company are equivalent to a level of s...
LT3572 is a step-up chip, VIN is 2~5V, Vout is 30V. During use, I used a voltage regulator to supply 3.3V, with a current limit of 100mA. After power-on, the voltage regulator dropped to 2.2V, the cur...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:05[/i] 74 series integrated circuits are widely used. I would like to share the collected information about 74LS series and 74HC series integ...
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
On August 24th, Jin Yuzhi, CEO of Huawei's Intelligent Automotive Solutions BU, announced the first automotive application of Huawei Qiankun's unique Limera technology. This technology eliminates t...[Details]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[Details]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[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]
With the development of vehicle technology, there are more types of cars. Cars are divided into hybrid, pure electric vehicles, and fuel vehicles. For hybrid cars, they are divided into plug-in hyb...[Details]
As the core of electric vehicles, batteries are concerned with vehicle use and maintenance. The operation of vehicles is guaranteed by the electricity generated by batteries. For batteries, battery...[Details]
introduction
Due to their flexibility and security, Java cards are increasingly being used in the smart card field. Once a Java card is released, if multiple applications need to call the same...[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]
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]
With the increasing awareness of environmental protection and the tightening of emission regulations and standards, almost all car companies are moving towards new energy, whether they are internat...[Details]