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1. Download A few days ago I redid the changes I made on Linux 4.9 on Linux-4.10.17 and fixed some issues. Here is the download method: git clone https://github.com/pengdonglin137/linux-4.10.17.git...[Details]
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Voltage doubler rectifier circuit diagram: If the power quality requirement is not very high, and the power requirement is not very large, but it is not easy to get a relatively high voltage. For exam...[Details]
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High-speed railways have become a business card of our country. The development of high-speed railways not only requires cutting-edge design concepts, but also depends on the upgrading of equipment a...[Details]
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An ammeter, also known as an "ampmeter", is an instrument that measures the current in a circuit. Ammeters can be divided into three categories: AC ammeters, DC ammeters, and AC and DC energy meters....[Details]
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1. Introduction to LIN 1.1 What is LIN? LIN (Local InterconnectNetwork) bus is a low-cost serial communication protocol defined for automotive distributed systems. Compared with the CAN bus, the L...[Details]
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Introduction Digital signals are discrete signals, and analog signals are continuous signals. If a digital circuit needs to process an analog signal, a signal conversion system is required. Conversel...[Details]
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TD-SCDMA has entered the actual implementation stage. In order to ensure the reliability of the entire network construction, the smooth opening of business, and the normal provision of services, st...[Details]
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On October 31, Samsung's One UI 4.0 system is based on the latest Android 12, and the Galaxy S21 series of phones can now experience it. According to foreign media mspoweruser, Samsung has now opened...[Details]
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Not long ago, news of a sharp price increase for MLCC spread like wildfire. However, before we could sit back and relax, news came that prices had fallen. The repeated price changes, on the one h...[Details]
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On December 4, 2019, Beijing time, Qualcomm officially released the latest flagship processor of the 8 series, Snapdragon 865, in Hawaii, the United States. The performance of the new processor will ...[Details]
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The display market in recent years can be described as "bland and boring", and the biggest reason is that the display market lacks new technologies that will make people's eyes shine. Nowadays,...[Details]
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Recently, IPRdaily, a comprehensive intellectual property information service provider, released the TOP 100 VR/AR global invention patent rankings since 2020. It is reported that the data is extract...[Details]
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I recently saw an interesting circuit, as shown below. The input voltage is 20V DC, Q1 and Q2 are turned on alternately, the frequency is 100kHz, and the load RL is to be determined. What kind of circ...[Details]
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Samsung Electronics is expected to invest more than $30 billion in its semiconductor business for the first time in 2021 to stabilize its memory chip production capacity and expand its foundry busine...[Details]
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Source: Getty Images Plus
Enerchain Intelligent Electric, a Chinese electric vehicle charging service company listed in the United States, announced in a press release on October 10 that...[Details]
DIY/Open Source Hardware
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