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1. Introduction
The development trend of products is often determined by the following two factors: one is the continuous development of the needs of the users of the product; the other is the devel...[Details]
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Starting from GCF-CC 3.33.0, if the customer's mobile phone (WCDMA) needs GCF certification, the OTA performance must be tested, and only qualified OTA tests can obtain full GCF approval.
GCF-CC ...[Details]
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Recently, Wang Fan, a senior software engineer at Beken Broadcom Integration, live-streamed the development guide of the Sparrow No. 1 development board on Bilibili. During the 2-hour live broadcast,...[Details]
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The data types of C51 are divided into basic data types and combined data types, which are basically the same as the data types in standard C, but the char type is the same as the short type, and the...[Details]
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Abstract: The RS485 communication interface is designed on the ARM9 processor S3C2440 to realize communication with other devices on the bus. The UART peripheral integrated inside the ARM9 processo...[Details]
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The main causes of variable frequency DC overvoltage faults include overvoltage caused by the power input side, overvoltage caused by the load side, and overvoltage caused by internal damage of the...[Details]
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In the past two years, the topic of chip gap has been frequently reported in the newspapers, and everyone has a broad understanding of the current situation of domestic chips. But in fact, in the up...[Details]
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1. Use the capacitance file to detect directly Some digital multimeters have the function of measuring capacitance, and the range is divided into five ranges: 2000p, 20n, 200n, 2μ and 20μ. When m...[Details]
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Jiwei.com reported on March 9 (reporter Zhang Yiqun) Today, AMD is experiencing another unforgettable time since 2000. From the perspective of the capital market, AMD's stock price has approached its...[Details]
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Beijing Dangsheng Materials Technology Co., Ltd. (hereinafter referred to as "Dangsheng Technology") and Beijing Weilan New Energy Technology Co., Ltd. (hereinafter referred to as "Weilan New Energ...[Details]
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On June 24, the Economic Daily's Financial Observation published a report titled "How Digital RMB Promotes Consumption" (Reporter Chen Guojing), which was then reposted by many central media outlets ...[Details]
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A strong slap in the face of US accusations!
Recently, in response to the Federal Bureau of Investigation (FBI) and the Homeland Security Cybersecurity and Infrastructure Security Agency (CISA...[Details]
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#include reg51.h unsigned char code seg = {0xFE,0xFB,0xEF,0xBF, //0 means bright 0x7F,0xDF,0xF7,0xFD, 0xAA, 0x55, ...[Details]
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The DC converter type high frequency link inverter is composed of a DC converter and a polarity reversal inverter bridge, including unidirectional DC converter type, bidirectional DC converter type an...[Details]
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A large-scale battery energy storage project in New South Wales, Australia, built by Tesla's Megapacks. Image: Edify Energy.
Tesla CEO Elon Musk claims that it will be “...[Details]