I need to design an optocoupler isolation circuit, the input is a 5-24v digital signal, the output is 3.3v connected to the GPIO port (digital input DO) of stm32, please recommend an optocoupler chip...
After the SD card is initialized, it keeps sending commands. When will the initialization be completed? The order of sending commands is: CMD5-------->CMD0------>CMD1-------->ACMD41(CMD55+AMCD41) ----...
I transplanted the DM9000AEP driver under the BOOTLOADER of the Youlong PXA270 development board. The hardware is also designed according to the DM9000AEP manual, but I can't read the PID and VID. Wha...
The root causes of problems in the building control industry and the establishment of a standard system - Professor Jiang Yi, an academician of the Chinese Academy of Engineering Recently, the "Engine...
1. Several nouns
ABI:
The specifications that an executable file must follow in order to run in a specific execution environment;
Separately generated relocatabl...[Details]
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
Whether it is an electric car or an ordinary fuel car, for the vast majority of car buyers, the final cost of use is what they care about most. For fuel cars, how to save fuel is what drivers care ...[Details]
A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
To improve the lateral active safety of intelligent connected vehicles, the identification and definition of unexpected functional safety scenarios for the EPS (Electronic Steering System) ...[Details]
As the electric vehicle industry continues to surge in today's society, while people are concerned about the appearance and interior of new energy vehicles, they are also concerned about the classi...[Details]
Editor's Note: The development of the embodied/humanoid industry is currently gaining momentum. Application and technological breakthroughs in key components have become key requirements for the de...[Details]
Oslo, Norway – August 18, 2025 – Nordic Semiconductor ("Nordic"), a leading global provider of low-power wireless technology, announced that it will participate in the International Internet of Thi...[Details]
Ever since smartphones became popular, their battery life has become a major concern. Although current phones often have large batteries of 3,000 to 4,000 mAh, heavy users still have to charge thei...[Details]
A speaker box, also known as a loudspeaker enclosure, combines high, mid, and low-frequency speakers within a specially designed enclosure. A crossover network routes high, mid, and low-frequency s...[Details]
Driven by the wave of Industry 4.0, smart factories are becoming a core direction for the transformation and upgrading of the manufacturing industry. Machine vision technology, the "smart eyes" of ...[Details]
In recent years, smartphones have integrated more and more functions, but in terms of basic audio amplification applications, there is still room for further improvement in performance and user aud...[Details]
A new wave is coming, and the supply chain often leads the way.
With
the widespread adoption of
smart cars
,
LiDAR
has become a must-have feature in smart cars, like a saf...[Details]
Medical Electronics
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