The 485 protocol format is generally used for large-scale communication of single-chip microcomputers. I checked the information of 485 IC 65HVN3082, which says "1/8 load--the bus can connect up to 25...
How is the memory initialized in the startup code? How is the stack initialized? How is it implemented? What is the result of the implementation? I have read many explanations of the startup code but ...
When I use jpeg to decode .jpg images, jpeg_read_scanlines can only read the information of each line, so the decoding is very slow. Is there any way to increase the decoding speed?...
How to get the information of video files under EVC? For example, "MPG", "AVI" and other commonly used embedded video formats? I know that MP3 can be obtained by reading ID3 information, but I don't k...
Abstract:
With the increasing complexity of smart vehicle electrical and electronic architectures, the full lifecycle management of vehicle electronic control components faces multiple challe...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
With the increasing number of new energy vehicles on the road, the deployment of supporting facilities for these vehicles has accelerated, and new energy vehicles have gradually entered the vision ...[Details]
Learned the following information.
Customer product: industrial computer motherboard
Glue application area: CPU/BGA filling
Glue color requirements: black or t...[Details]
The Radxa Cubie A7A is a single-board computer (SBC) powered by the Allwinner A733 octa-core Cortex-A76/A55 SoC, equipped with a 3 TOPS AI accelerator and up to 16GB of LPDDR5 memory.
Fo...[Details]
With the continuous development of ultrasonic technology, ultrasound has been widely used in fields such as inspection, cleaning, welding, and medical treatment, and has even found its way into tex...[Details]
As my country's industrialization continues to improve, environmental pollution is also facing tremendous pressure. In recent years, national environmental protection policies have become increasin...[Details]
According to foreign media reports, German chipmaker Infineon has recently completed the acquisition of Marvell Technology's automotive Ethernet business for a total transaction amount of US$2.5 bi...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
Siemens software mainly includes PLC, frequency converter, human-machine interface, etc. The current Siemens software can be said to be very stable.
PLC series range from the Siemens S5 series...[Details]
Servo motors, also known as actuator motors, serve as actuators in automatic control systems, converting received electrical signals into angular displacement or angular velocity output on the moto...[Details]
In the first half of 2025, Chinese companies demonstrated overwhelming advantages in the world's four major material fields: in the global loading of positive electrode materials, Chinese companies...[Details]
When a self-driving car is traveling straight ahead on the road and a vehicle ahead or in an adjacent lane is about to turn left, the system must make a quick and accurate judgment within the compl...[Details]