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Overview Mobile operators are constantly challenged by the rapid changes in the industry. An increasing number of network users and other point-to-point radio links operating on the same frequency ar...[Details]
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On the ramp at the Yokohama-Machida Interchange on Japan's busy Tomei Expressway, accidents often occur because vehicles are driving too fast and are unable to turn. Earlier, measures were tak...[Details]
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White LED diodes require a relatively high forward voltage of 3.50V, so it is not possible to connect directly to a standard portable battery voltage. Also, these diodes must be powered with a constan...[Details]
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On the afternoon of March 27, 2020, the "Wireless Upgrade, Infinite Resonance" China Unicom WiFi Router Upgrade Plan Conference was held in Beijing. This conference was held in the form of online liv...[Details]
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When the MCS-51 series CHMOS type single chip CPU executes an instruction that sets PCON.0 (IDL) to "1", it enters the idle mode. For example, the 80C31 can enter the idle mode by executing the fol...[Details]
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If human drivers mainly observe the surrounding road conditions with their eyes, then self-driving cars perceive road environment information through various sensors installed on the car. For self-dr...[Details]
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In the first three classes, Pi Ziheng introduced input files in embedded development. Starting from today's class, Pi Ziheng will talk about output files. In the last class, I talked about the proj...[Details]
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Fixed output integrated voltage regulators such as the 78×× series
can easily increase the output voltage V0
by simply connecting two
external resistors
(see the figure below).
The outpu...[Details]
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It is no longer news that GF is selling factories. Since January this year, GF has sold factories three times. It was originally thought that GF would stop and take a break, but unexpectedly, GF gave...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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International Energy Network learned that the People's Government of Wuhai City, Inner Mongolia, recently released a project for investment promotion. The project is a 5GW photovoltaic inverter pro...[Details]
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4 Research on key network communication technologies for remote measurement and control systems of CNC machine tools
There are currently two basic modes for building a network measurement and control...[Details]
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The rectifier in the AC voltage measurement circuit is similar to the rectifier in the AC current measurement circuit. Therefore, a set of rectifier devices is shared in multimeters with AC current a...[Details]
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Possible causes are as follows:
1. The analog input module and the field sensor may use self-powered or isolated power supplies respectively, and the two power supplies are not connected to ea...[Details]
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Metal oxides and their composites with other materials (such as MXenes and metal chalcogenides) can be used to detect different gases or vapors, such as NO2, H2S, CO, C2H5OH, benzene, toluene, and ...[Details]