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With the improvement of Bluetooth 5.0 technical standards, TWS earphones have become a popular product today. However, with the popularity, some bone conduction earphone brands have also appeared on ...[Details]
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On the evening of April 23, Ultrasonic Electronics disclosed the company's full-year performance announcement for 2020. According to the announcement, Ultrasonic Electronics achieved operating incom...[Details]
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O Introduction
Wireless sensor networks are networks composed of multiple nodes with sensors, data processing units and communication modules. They have become a research hotspot in recent year...[Details]
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Hardware platform: FL2440
Kernel version: 2.6.28
Host platform: Ubuntu 11.04
Kernel version: 2.6.39
1. First configure busybox
busybox
Linux System Utilities ---
mdev
Support /et...[Details]
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On December 4, SPIC held a three-year reform action deployment meeting at its headquarters to fully implement the spirit of the national state-owned enterprise reform three-year action mobiliza...[Details]
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Rudolf Emil Kalman was an American mathematician of Hungarian descent. The Budapest-born scientist fled World War II with his family in 1943 and immigrated to the United States. He devoted his life t...[Details]
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#include reg52.h
#define uint unsigned int
#define uchar unsigned char
fly duan ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
fly liushui ={0xfe,0xfd,0xfb,0xf7,0xef,0xd...[Details]
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China has set up a new 204.15 billion yuan ($28.9 billion) national semiconductor fund as it seeks to nurture its own chip industry and narrow the technological gap with the United States. Accordin...[Details]
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1. PB4 is always at a high level, causing the ultrasonic sensor to fail to work. I searched on Baidu and found that some pins of stm32 are not general GPIO by default when powered on, such as JTAG an...[Details]
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1. Introduction
The vacuum treatment of molten steel is used for dehydrogenation, denitrification, deoxidation (light treatment) and desulfurization of molten steel, and it also has the functi...[Details]
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On March 7, 2019, an important administrative leader of Shangyu Economic and Technological Development Zone visited the Shanghai headquarters of Greatpower New Energy.
Those present at this in...[Details]
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1. Correctly set the DDRx direction register before performing read and write operations on the I/O port. 2. The initial state of the I/O port after reset is all input working mode, the internal pu...[Details]
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1. Development environment of Internet of Vehicles From three perspectives: industrial policy support, market size estimation, and construction of Internet of Vehicles demonstration zones, this pap...[Details]
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Zhao Liang, Chairman and Party Secretary of State Grid Tianjin Electric Power Company
The construction of ubiquitous power Internet of Things is an important content and key link in promoting ...[Details]
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The transportation sector is a key area for achieving energy transformation. The electrification of automobiles is thriving worldwide and is also developing in Asia. Electric vehicles powered by el...[Details]
PCB Design
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