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1. Specific parameters:
When using a light emitting diode (LED), a resistor must be connected in series to limit the current: R = (E - U) / I
Note: E: power supply voltage, usually 5 V
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On August 19, Lu Weibing, Redmi TV, Lei Jun and others posted on Weibo to warm up the news that Redmi's first Internet TV with a giant 70-inch screen will be released on August 29, claiming to be "bi...[Details]
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Introduction: Domestically, 2022 will be the first year that the lidar industry becomes large-scale. The share of Chinese manufacturers in the global market is rapidly increasing. The development p...[Details]
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0 Introduction
With the development of power systems, the system capacity is getting larger and larger, the structure is getting more and more complex, and the information that the automatic ...[Details]
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Introduction
The AWU is used to provide an internal wake-up time reference when the MCU enters the low-power Active Halt mode. The clock of this time reference is provided by the internal low...[Details]
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During the Fifth Future Network Development Conference, Baidu CTO Wang Haifeng shared the new features of AI technology in accelerating its implementation in industry practices. Wang Haifeng pointed ...[Details]
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The moisture meter is currently the most direct and rapid instrument for measuring moisture. It has a wide range of applications, including production and experiment processes in the pharmaceutical...[Details]
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In the development and application of transmitters, it is often encountered that the output of the required transmitter is different from the output of the existing transmitter, or the output of th...[Details]
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What to do if the monitor enters sleep mode
If your monitor has gone into sleep mode (common after a long period of inactivity), you can try the following to resolve the issue:
1. Check t...[Details]
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On July 30, the Dongxihu District People's Government of Wuhan City officially released the "Economic Operation Analysis of Investment and Construction in Dongxihu District in the First Half of the Y...[Details]
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The world is paying more and more attention to energy-saving high-efficiency lighting. According to the International Energy Agency (IEA) report, global electric lighting accounts for about 19% of ...[Details]
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China Energy Storage Network News:
Li Kaixin, Luo Jinqing, Tian Lin (Guangdong Power Exchange Center)
The "Notice on Further Deepening the Market-oriented Reform of On-Grid Electrici...[Details]
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I recently developed a project and wanted to use the STC15 series as the control chip, mainly because of its rich functions, especially the four serial port resources, which are rare in 8-bit microco...[Details]
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Choosing the right light-emitting diode (LED) driver solution for low-voltage portable device backlight or flash applications is a challenge for designers, as they must consider extending battery lif...[Details]
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1. Position and function of motor controller in electric vehicles
The motor controller is the core module of electric vehicles and also the decisive factor of the vehicle's power performance. ...[Details]
Microcontroller MCU
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