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The 5G Message Summit Forum, co-organized by ZTE and the World Mobile Communications Association (GSMA), was grandly held during the MWC Shanghai Exhibition. ...[Details]
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Recently, the State Council Information Office held a press conference on the development of industry and information technology. At the meeting, the Ministry of Industry and Information Technology s...[Details]
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Assembly language microcontroller program error analysis
1. Analysis of the causes of the failure of the MAS51 assembly software
When writing the assembly language of the microcontroller,...[Details]
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With the development of the Internet of Things industry, "Internet of Everything" is no longer an empty phrase. Under the leadership of the state and local governments and the cooperation of the ma...[Details]
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This is the beginning of porting the latest (2021-3-1 18:49:35) u-boot kernel and busybox to ok6410a Information Pack OK6410-A-1G User CD (A)-20160812 Link: https://pan.baidu.com/s/1FqrI_UdiA6F2jAB...[Details]
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This circuit can realize an adjustable DC regulated power supply through a simple circuit structure, and has a voltage indication, and the output DC voltage range is 0~30V. Working principle of ...[Details]
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The US Patent and Trademark Office recently announced Apple's latest patent application for "3D gesture input". According to foreign media reports, this technology allows users to implement 3D gestur...[Details]
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According to the latest news from the upstream supply chain, Apple will start trial production of iPhone SE3 in the near future. Of course, this is not the final version, because they still hav...[Details]
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Ceramic embryo specific gravity meter is also called ceramic embryo density tester, plastic specific gravity meter, plastic density meter. Xiamen Qunlong Instrument Co., Ltd. is the first professiona...[Details]
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According to Reuters, Infineon Technologies AG said on Monday local time that it expects annual sales to fall 5% in the fiscal year ending September 30 due to the impact of the COVID-19 epidemic, ins...[Details]
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In the era of popularization of machine vision, image sensors as their "eyes" have more and more various applications. Onsemi's image sensing technology strives to meet the needs of an increasingly w...[Details]
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According to industry sources, as the supply of network chips, especially Ethernet chips, remains tight, Realtek has reached long-term agreements with UMC and TSMC, while strengthening its ties with ...[Details]
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Chopping is
a current conversion technology in
power
electronic
control
. Its essence is pulse width modulation of DC
control
. Because its waveform is neat an...[Details]
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The development of smart cities is obvious to all. As an ecosystem, perception is an important part. The perception Internet of Things built on the basis of video surveillance is an important part...[Details]
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PFC main circuit schematic diagram
Figure PFC main circuit schematic
The schematic diagram of the lossless absorption PFC main circuit is shown in the figure. In the figure, B1 is a rectifi...[Details]