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51 MCU 60s dynamic display program #include reg52.h #define uint unsigned int #define uchar unsigned char uchar code table ={0xc0,0xf9,0xa4, 0xb0,0x99, 0x92,0x82,0xf8,0x80,0x90}; sbit gew=P2^1; sbi...[Details]
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On March 15, BOE announced that according to the company's strategic development needs, the company plans to increase its capital by 380 million yuan to Xianzhi Chain Fund through BOE Venture Capital...[Details]
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Jiwei.com reported on September 15 (Text/Digital Control) that at the Huawei Developer Conference 2020 (Together), EMUI 11 was officially released. Many users have already upgraded to EMUI11. Huawei ...[Details]
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When I was writing a report a few days ago, I accidentally needed to use the software simulation in Keil5 to see the output PWM waveform. After several attempts, I finally figured it out. The problem...[Details]
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Recently, Telecommunication Terminal Laboratory released the "AI Fake Face Identification Platform", which is based on single-frame and multi-frame methods, utilizes facial biometrics, jitter accurac...[Details]
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The original Chinese name of laser is "雷射" or "莱塞", which is the transliteration of its English name LASER. It is an abbreviation composed of the first letters of the English words Light Amplificat...[Details]
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1. Tube
amplifiers and crystal amplifiers The comparison between tube amplifiers and crystal amplifiers only discusses the following two issues, namely, performance-price ratio and sound qualit...[Details]
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1. Ethernet lightning protection
Ethernet is widely used in access and metropolitan area network infrastructure. These interfaces must typically comply with GR1089 lightning surge testing. To ...[Details]
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Recently, at the 3rd Dishui Lake China RISC-V Forum, Hu Yingzhe, CEO of Zhuhai Pulinxinchi Technology Co., Ltd., introduced the company's latest SPV60 AI audio chip. Hu Yingzhe first joked that Pri...[Details]
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With the development of 5G communication technology, the power consumption of 5G mobile phones is about 20% higher than that of 4G mobile phones, which puts higher requirements on the battery life of...[Details]
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Abstract: In order to meet the demand for fast transmission of large amounts of data in the process of Ethernet communication, some reliability can often be sacrificed in exchange for high-speed data...[Details]
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On October 27, the Organization Department of the Liaoning Provincial Party Committee issued a public notice of candidates for leadership positions. Among them: Li Xianfeng, male, Han nationality, bor...[Details]
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Basic knowledge of audio technology
1. Technical status of foreign speakers and sound boxes
1.1 Professional speakers
Mainly refers to speakers and sound boxe...[Details]
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May 17, 2023— Penn State University and onsemi, a leader in smart power and smart sensing technology , announced that they have signed a memorandum of understanding (MOU) to launch an $8 million stra...[Details]
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1. Reference tutorial: Qingxiang 51 microcontroller tutorial 2. Basic principles: By controlling the high and low electric frequency of the right output terminal, the light can be turned on and off. ...[Details]
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