As shown in the photo, an AM359 with screen, 90% new, the information is not very complete, currently only the Linux part, but it is enough. Not suitable for beginners. 300 yuan for a Samsung 4412, co...
In DOS, typing on the keyboard triggers an int 9 instruction. What about Windows? Does it also use int to trigger an interrupt? What is the interrupt number?...
Design and Analysis of Virtual Oscilloscope Based on SOPC
Analog oscilloscopes have been gradually replaced by digital oscilloscopes due to their shortcomings such as inability to efficiently observ...
I've been working on a network card driver recently, but I've found not much information on this topic on Google or Baidu, especially on the development of network card drivers under Windows CE! In th...
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]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[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]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[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
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[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]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
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