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In device communication, UART is very common and the simplest. However, PCs, especially laptops, have basically abandoned traditional UART ports and can only use USB to UART ICs for signal conversion...[Details]
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The electric drive system mainly consists of three parts: motor, motor control unit and reducer:
Most of the time, user needs determine the direction of product technology evolution.
...[Details]
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In 2021, Tesla's Model S Plaid was equipped with AMD's Ryzen RDNA 2 processor, which gradually replaced Intel's A3950 processor and was used in the in-vehicle infotainment systems of the high-end ver...[Details]
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With the development and progress of LED lighting technology, LED products are gradually accepted by the market and consumers for their advantages such as energy saving, environmental protection, hig...[Details]
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A mass flow meter is an instrument that accurately measures gas flow. Its measured value will not be inaccurate due to temperature or pressure fluctuations, and does not require temperature and press...[Details]
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LED lighting equipment consists of LED light source, electrical accessories and appliances. It uses semiconductor light-emitting devices as light sources, and has the characteristics of small size, ...[Details]
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According to China News Service, yesterday (26), the head of the Shenzhen Municipal Bureau of Industry and Information Technology revealed at the Huaqiangbei 5G life experience event that the number ...[Details]
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Accelerometers are commonly used components in the fields of automotive electronics and consumer electronics. With unexpected tragedies happening in the field of human safety in recent years, elevator...[Details]
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The latest report released by market research firm Counterpoint Research shows that iPhone XR is the world's best-selling smartphone in the third quarter, with a market share of 3%. So far, iPhone XR...[Details]
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From October 12 to 14, the 3rd Digital China Summit was held in Fuzhou, Fujian. Fuyao Group appeared in Hall 6 with the theme of "Fuyao Global, Intelligent Creation of the Future". The "front-mounted...[Details]
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Inductor selection:
In order to maintain strict hysteresis current control when designing an LED constant current source, the inductor must be large enough to ensure that energy can be ...[Details]
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Crazy summer study: Introduction to assembly learning notes (Part 9) - call and ret
Reference: "Assembly Language" by Wang Shuang, Chapter 10
Both call and ret are transfer instructions.
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1. Embedded Summary
1. Chip: s3c2440, s3c6410, s5pv210
2. ARM core: A8, ARM9, ARM11
3. Instruction architecture: armv7, armv6
2440 uses the arm9 core, and the kernel uses the armv4 instruction ...[Details]
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Fuses are an integral part of many system designs, and we have relied on them since the earliest days of electricity. Using a fuse is simple, reliable, clear and unambiguous, with the fuse self-heati...[Details]
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The emergence of advanced personal medical devices at reasonable prices is changing the entire healthcare industry, allowing consumers to monitor their vital signs and other key indicators at home or ...[Details]
Power technology
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