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A Delta VFD-A series 18.5KW inverter was repaired. The reason for the repair was that when the frequency rose to about 40Hz with normal load, it tripped the GFF fault and stopped.
The GFF fault is a...[Details]
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Today, blogger @数码闲聊站 revealed that the three flagships, Redmi K50 Gaming Edition, Redmi K50 and Redmi K50 Pro, all have side physical fingerprint solutions. Later, one model will use an under-...[Details]
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The use of microcontroller timers can be said to be very simple, as long as you master the principles and have a little C language foundation. The main points are as follows: 1. Be sure to know the o...[Details]
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With the launch of Xiaomi 11, the 2021 Snapdragon 888 flagship phone "war" also kicked off. Not long ago, several mainstream mobile phone manufacturers started preheating their flagship phones equipp...[Details]
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At present, my country's new energy has achieved the transformation from supplementary power source to alternative power source. The energy transformation system with new energy as the fulcrum is a...[Details]
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Brad M12 Ultra-Lock 2.0 includes a cable assembly of plugs and sockets that complies with IEC 61076-2-010.
This product is suitable for easy-to-assemble interfaces and is available in shielde...[Details]
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The principle of CAN has been explained above. Here I will use a simple example to illustrate the use of CAN. The STM32 chip I use is STM32F103ZE, and the basic configurations are: 1. Configure CAN c...[Details]
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0 Preface At present, desk lamps have become a necessity for thousands of households. However, they often waste a lot of energy because people forget to turn off the lights. When using them at nigh...[Details]
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1. Basic Principle
A throttling device such as an orifice plate or a nozzle is installed inside the pipeline. Since the aperture of the throttling device is smaller than the inner diameter of the ...[Details]
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Molex releases miniaturization technology report highlighting insights and innovations from experts in product design engineering and cutting-edge connectivity ● The miniaturization trend affec...[Details]
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According to foreign media reports, what3words, a positioning technology company, recently announced that what3words has been added to Harman's connected car platform Harman Ignite Store. The platfor...[Details]
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Abstract : This article introduces the principle of bandgap reference voltage source and implements a high-precision bandgap reference voltage source circuit. This circuit has an effective temperatur...[Details]
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According to recent revelations from various sources, we will be welcoming a large number of new mobile phones next month. Several Snapdragon 8 Gen1 flagships will officially debut, and the mo...[Details]
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Beijing time, March 23 morning news, according to a spokesman for Dow Jones, the company's "Wall Street Journal" will start selling single iPad electronic newspapers from Wednesday, and users...[Details]
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On October 14, the Yunnan Provincial Development and Reform Commission and the Yunnan Provincial Energy Bureau issued the "Yunnan Province 2024 Second Batch of New Energy Project Development and Const...[Details]
DIY/Open Source Hardware
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