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SPI (Serial Peripheral Interfacer) is a synchronous serial communication interface introduced by Motorola, which is used for serial connection between microprocessor controller and peripheral expansio...[Details]
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Recently, I participated in the driver debugging of the mobile payment project team, which mainly involved the bootloader download program for the STM32 microcontroller. The following is a summary of...[Details]
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On June 8, Huahai Qingke was listed on the Science and Technology Innovation Board of the Shanghai Stock Exchange. The company's stock code is 688120, the issue price is 136.66 yuan per share, and th...[Details]
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/** * Ultrasonic distance measuring components * File name: ultrasonic.h */ #ifndef _ULTRASONIC_H #define _ULTRASONIC_H #define somenop(); { _nop_();_nop_();_nop_();_nop_();_nop_(); ...[Details]
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In May 2023, the National Highway Traffic Safety Administration (NHTSA) announced a plan to require all new passenger vehicles to have automatic emergency braking (AEB) systems as standard equipmen...[Details]
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Recently, a friend asked me that he bought an oscilloscope with a nominal refresh rate of 200Kwfms/s. He was very curious and asked me if I could measure it. I told him that I could. Compared with th...[Details]
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In recent years, developers have tried to develop PCs or servers on the Arm architecture, including the SynQuacer E series 24-core Arm PC, Ampere eMAG 64-bit Arm workstation, and HoneyComb LX2K 16-co...[Details]
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Recently, domestic media reported that NIO is developing its own lithium iron manganese phosphate and 4680 batteries, and plans to mass-produce these two batteries for NIO and its sub-brand ALPS. ALP...[Details]
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On November 12, the ultra-clean line installation launching ceremony of Lishui Sino-Sino Semiconductor Materials Research Center Co., Ltd. (referred to as "Lishui Sino-Sino Semiconductor Materials Re...[Details]
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At present, "wireless replacing wired" has become an irreversible trend worldwide, and this trend is even more obvious in the field of home Internet of Things. It can be said that home automation...[Details]
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Not long ago, CATL released a 4C lithium iron phosphate battery named Shenxing Battery. 4C is not difficult to understand. It means 4 times the charging speed. It only takes 1/4 of 1 hour to fully ...[Details]
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People obtain various information from nature through their senses, among which human vision obtains the most information, accounting for about 80% of the total information. With the development of...[Details]
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Abstract: HDB3 code has no DC component and has clock recovery and good anti-interference capabilities. This article proposes the use of HDB3 code for high-speed and long-distance data transmission, a...[Details]
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As the complexity and reliability of communication channels continue to increase, so do the demands and expectations placed on telecommunication systems. These communication syste...[Details]
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introduction
MP3 players have developed rapidly in recent years, and a large number of products have been launched. Tourism, an emerging industry, has been booming in recent years. Compared with ma...[Details]
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