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Things to note when using a multimeter:
1) Identify the functions of each gear of the multimeter.
2) Measure three to four resistors and record them.
3) Measure AC voltage and record them.
4...[Details]
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Last week, many iPhone users reported that their phones were leaking data. After investigation by professionals and customer service, it was found that a function in the positioning service cau...[Details]
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The basic idea of firmware upgrade is to divide the flash of stm32 into two areas: 1. Bootloader area: stores the bootloader code. The main function of the bootloader code is to judge the...[Details]
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Chip Introduction: This paper introduces the structure, working principle and application of DS1302, a low-power real-time clock circuit with trickle current charging capability launched by DALLAS C...[Details]
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For a long time, urban residents in northern my country have been charged for heating based on residential area rather than actual heat consumption, which has led to poor energy-saving awareness am...[Details]
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On July 30, Zhu Xiaoning, Director of the New Energy Institute of Shaanxi Coal Chemical Technology Research Institute, and Yuan Lizhi, Deputy Director, visited China Sodium Energy Storage Technolog...[Details]
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According to reports, Dr. Wang Chenglu, head of Huawei's Hongmeng and president of Huawei's Terminal BG Software Department, has resigned from Huawei. His official Weibo certification has been revoke...[Details]
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On February 27, the urban distribution autonomous driving company Jiushi (Suzhou) Intelligent Technology Co., Ltd. (hereinafter referred to as "Jiushi Intelligent") announced the completion of near...[Details]
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The research on LED display screen uses a screen of 8×8 dot matrix display, focusing on dynamic processing methods. Due to the limitations of the display screen, only English and numbers can be d...[Details]
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SAM-BA burns Bootstrap1.16 and Uboot1.3.4, MCU chip is at91sam9261, Nandflash is K9F1G08 Power on the system, then connect to the computer through the serial port, open SAM-BA, if there is no probl...[Details]
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There are many ways to design digital electronic clocks. For example, small and medium-scale integrated circuits can be used to form electronic clocks; dedicated electronic clock chips can be used ...[Details]
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On March 12, Zhejiang Geely Holding Group Co., Ltd. and Geely Automobile Research Institute (Ningbo Co., Ltd.) disclosed an invention patent entitled "A method, device and equipment for autonomous dr...[Details]
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With the modernization, high technology and complexity of electronic equipment, it is required to conduct rapid on-site testing of electronic equipment, which must be completed by automatic
Al...[Details]
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This paper designs a temperature control system based on AT89C51 microcontroller and DS18B20. The design uses AT89S52 microcontroller to drive digital temperature sensor DS18B20 to collect, re...[Details]
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The ultra-small integrated temperature and humidity digital output module is widely used in mobile phones, communications, HVAC, medical, environmental monitoring, home appliances, control panels, ...[Details]