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Top car companies have "joined hands" with large cylindrical batteries, which are leading the new trend in the industry. The latest data from GGII shows that from January to October 2022, global ne...[Details]
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As a country with scarce water resources, my country should make full and reasonable use of water resources. Hydrological parameter monitoring is the basis for the rational use of water res...[Details]
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Many people think that electromagnetic flowmeter is a commonly used flow measurement instrument , and it needs to cooperate with other instruments to complete the process. Electromagnetic flowmeter ...[Details]
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ISO 26262 is derived from the basic standard IEC 61508 for functional safety of electronic, electrical and programmable devices. It is mainly aimed at specific electrical devices, electronic equipm...[Details]
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Thermal Analyse and Design of High-Power LED
Abstract: This paper introduce the heat produce and conduct of High-Power LED lighting source,then conclude the formula for calculating heat ...[Details]
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NIST researchers built a single-photon camera using 400,000 superconducting nanowires, the highest-resolution camera of its kind. With further improvements, the camera will be ideal for low...[Details]
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According to Reuters on October 13, Qualcomm announced a new $10 billion stock repurchase plan on Tuesday, effective immediately. The repurchase is a continuation of the stock repurchase plan announc...[Details]
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Block Diagram program ORG 05E0H 05E0 758153 SE13: MOV SP,#53H 05E3 757E00 MOV 7EH,#00H 05E6 757D08 MOV 7DH, #08H 05E9 757C03 MOV ...[Details]
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The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate. The methods can be roughly divided into two methods: so...[Details]
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DMA transfer: Principle: DMA transfer copies data from one address space to another. DMA transfers data, but does not need to occupy the MCU, that is, when transferring data, the MCU can do other thi...[Details]
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With the advancement of technology, the huge CRT will sooner or later be replaced by LCD products. Although the pace of the monitor field is a little slower, the emergence of LCD monitors also conf...[Details]
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Standalone Active EMI Filter IC How to Reduce Common Mode Filter Size Power density is a primary metric in highly constrained system environments such as automotive on-board chargers and server pow...[Details]
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There are three steps to test an inverter that you don’t know whether it is good or bad. The first step is static testing (no power), use the 1K position of the pointer multimeter to measure the ma...[Details]
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SC442 is a 10-channel high-efficiency 120 white LED driver with an input voltage of 4.5V-21V. The high-efficiency boost converter can make the output voltage up to 42V, which is very suitable for m...[Details]
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Currently, battery electric vehicles (BEVs) and plug-in hybrid electric vehicles (PHEVs) operate at 800V battery voltage, exceeding the conventional 400V range. The adoption of 800V batteries is in...[Details]
DIY/Open Source Hardware
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