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On September 4, Lei Jun, founder, chairman and CEO of Xiaomi Group, demonstrated the Xiaomi Laboratory. Lei Jun said that this Xiaomi laboratory has 1,800 mobile phones for non-stop testing....[Details]
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The gasoline engine ignition system has the following three main functions: Generate spark. The ignition system must be able to generate high enough voltage to ignite the mixture and maintain the sp...[Details]
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The dielectric loss measurement coefficient (tgδ) is an important parameter that describes the performance of the insulation material of electrical equipment. It is usually defined as the ratio of act...[Details]
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With the development of the national economy, the electricity consumption of enterprises and individuals has increased significantly. Now the time of electricity consumption of users is relatively ...[Details]
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By the end of the year, none of the seven strategic emerging industry plans that the market has been looking forward to have been released, but the Internet of Things is expected to break this deadlo...[Details]
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The Redmi Note8 series is scheduled to be released on the 29th of this month. As a partner of the series, MediaTek has also posted on Weibo to promote the series and also promote the MediaTek G90T pr...[Details]
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AT89S52 MCU pin diagram and pin description AT89S52 high performance 8-bit MCU (AT89S52 pin diagram)
AT89S52 Pin Diagram
AT89S52 is a low-power, high-performance CMOS 8-bit single-chip ...[Details]
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In the process of integrated circuit chip operation, power loss is inevitable, and most of these power losses will be converted into heat energy and dissipated. In abnormal conditions such as high am...[Details]
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Yesterday, I changed the MYS_SAM9X5 board from nandflash boot to dataflash boot, and recompiled the bootstrap. However, uboot still uses the original version of nandflash. As a result, it will detect...[Details]
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On July 11, the strategic cooperation ceremony between Lithium Shield Materials and Henan Zhongfu Industrial Co., Ltd. was held at Zhejiang Lithium Shield Company. The two parties signed a strategi...[Details]
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FOC control algorithm
Why is FOC becoming more and more popular?
What is FOC?
FOC (Field-Oriented Control), also known as vector frequency conversion, is currently the best cho...[Details]
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The on-state of mode A is shown in Figure (a): switch S1 is closed, switch S2, diodes D1 and D2 are not conducting. In this case, currents iL1 and iL2 increase, and i1=iL1+iL2. The off-state of mode ...[Details]
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I saw many people leave messages asking, what instrument is needed to test soil temperature and humidity? Here, the editor recommends that you use a soil temperature and humidity tester. Top TZS-2X-G...[Details]
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In recent years, the domestic brand Xiaomi has performed strongly in overseas markets, especially in the Indian market, where it has achieved good results. Previously, Xiaomi launched the Redmi Note ...[Details]
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Recently, the 2.1MW/4.2MWh energy storage power station built by Hitech Smart Energy in Guangzhou City, Guangdong Province was successfully connected to the grid and put into operation. This en...[Details]