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General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
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Arm linux system call analysis
Overview
The operating system provides a set of interfaces for processes running in user mode to interact with hardware devices and provide system services of the oper...[Details]
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The Trump administration is considering whether to require that 5G cellular equipment used in the United States be designed and manufactured outside of China, according to people familiar with the ma...[Details]
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China Energy Storage Network:
Under the guidance of the National Energy Administration, the first draft of the "Basic Rules for the Electricity Spot Market (Trial)" began to solicit public ...[Details]
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Ⅰ What is STM8CubeMX? First take a look at the STM8CubeMX main interface: STM8CubeMX is a set of graphical tools launched last year (2017) to facilitate STM8 developers. Its current functions are ...[Details]
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Figure 1 Figure II PWM is widely used, but different projects have special requirements for the output PWM. To meet these requirements, we need more experiments to verify. Next, we will describe ...[Details]
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Analyzing Intel's system-level foundry model
Compared with traditional foundries, Intel Foundry Services provides more services besides manufacturing silicon wafers for customers.
...[Details]
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In recent years, UPS power supply system has played an increasingly important role in the IT industry and has been hailed as the protector of computer information. After the world entered the inf...[Details]
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In order to claim the high
luminous efficiency
of their products,
many domestic
LED street light
manufacturers
often divide the initial luminous flux of the chip by the power consum...[Details]
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MCS-51 single-chip microcomputer is the most widely used and enduring one in my country. In the past, single-chip microcomputer applications were mainly written in assembly language. Since the readab...[Details]
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Some time ago, BMW announced that it will launch a remote paid upgrade service for future new cars, including heating, ACC (adaptive cruise control) and some in-car entertainment functions. Customers...[Details]
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When the electricity generated by solar panels is fed back into the grid (a "grid-connected" system), two connection options are possible:
Connect the solar panel to the inverter and connect i...[Details]
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Devices refer to finished products whose molecular structures have been changed during factory production and processing. For example, transistors, electron tubes, and integrated circuits. Because the...[Details]
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According to foreign media reports, Showa Denko will make a public acquisition of Hitachi Chemical, a subsidiary of Hitachi, in mid-December, with an estimated acquisition amount of 900 billion yen. ...[Details]
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According to the Economic Daily, TSMC has recently won another large order from Sony, the world's leading CIS company, and will build a foundry production line at its 14B plant in Southern Taiwan Sci...[Details]