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introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red and yellow light are usually required - such as traffic lights. If an incandescent bu...[Details]
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LED
has the advantages of small size, low power consumption, long life and environmental protection. In the actual production and development process, it is necessary to
evaluate the reliabi...[Details]
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In recent years, dust has become one of the key factors of air pollution. Air pollution prevention and control is an important part of environmental protection. To fundamentally improve air quality, ...[Details]
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Recently, Cree announced a collaboration with Delphi Technologies PLC on automotive silicon carbide ( SiC ) devices. Cree is a global leader in silicon carbide ( SiC ) semiconductors, and Delphi T...[Details]
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Amid numerous changes, TSMC, which has dominated the manufacturing industry for many years, is also working hard to change with change. Not long ago, TSMC President Wei Zhejia personally signed a let...[Details]
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According to Bloomberg, people familiar with the matter said Ericsson plans to sell its US subsidiary Iconectiv, which could be sold for between $1.5 billion and $2 billion. However, Ericsson has not...[Details]
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Cone flow meter is a new type of high-precision flow meter that can accurately measure various Reynolds numbers and meet the application conditions of various media. Its operating principle is the sa...[Details]
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2. Determine the machine type
In arch/arm/kernel/head.S:
00079: bl __lookup_machine_type @ r5=machinfo
00080: movs r8, r5 @ invalid machine (r5=0)? ...[Details]
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On August 25, a poster about Hongmeng OS and Geely on Weibo attracted attention. It is understood that the words "HarmonyOS" and "Welcome to Hongmeng" were marked on the poster, and Geely Boyue Pro a...[Details]
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The electric vehicle sector is divided into two categories: HEV (hybrid electric vehicles) and new energy vehicles (BEV, PHV, FCV). Although it currently accounts for a small portion of the total veh...[Details]
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There is already a driver for mini2440 in linux-4.1.4, so the porting work is relatively small. 1. Modification of the partition table Modify the partition table mini2440_default_nand_part in arch/ar...[Details]
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#include reg52.h sbit ADDR0 = P1^0; sbit ADDR1 = P1^1; sbit ADDR2 = P1^2; sbit ADDR3 = P1^3; sbit ENLED = P1^4; unsigned char code image = { {0xC3, 0x81, 0x99, 0x99, 0x99, 0x99, 0x81, 0xC3}, //d...[Details]
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Frequency synthesis signal source is a high-performance signal generator, but its high price makes it out of reach for general electronics enthusiasts. This article introduces a low-cost frequency sy...[Details]
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Recently, solid-state batteries have once again become a hot topic in the market.
On September 1, Zeng Yuqun, chairman of CATL, mentioned the recently hot topic of solid-state batteries ...[Details]
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USB Type-C® (USB-C®) is an industry-wide universal connector that supports data and power transfer over a single interface for applications such as personal electronics, automotive, industrial, and...[Details]
Sensor
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