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In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL.
①. HSI is a high-speed internal clock, an RC oscillator, with a frequency of 8MHz.
②. HSE is a high-speed external clock, which c...[Details]
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The calculation formula of the watchdog feeding time (watchdog overflow time) is: Tout=((4*2^prer)*rlr)/40 Tout is the watchdog overflow time (in ms), prer is the watchdog clock prescaler value (...[Details]
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On the afternoon of October 12, 2015, the Hunan Automobile Industry Association held a symposium on the quarterly economic operation of the automobile industry in the province at BYD Au...[Details]
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Infrared moisture meter
The infrared rapid moisture meter is designed based on the principle of pyrolysis weight and is a rapid moisture detection instrument. While measuring the weight of the sa...[Details]
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2011 latest pre-stage driver board, the smallest driver board with perfect functions
Function: Totem drive output. Undervoltage protection, overcurrent short circuit protection, water d...[Details]
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The GR6000A series motor fault diagnostic instrument applies the "I/F" method technology, that is: for a purely inductive coil, under the condition that the power supply voltage U remains unchanged, ...[Details]
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The final list of the 2019 "China Good Brand" selection initiated by Shanghai Media Group | Interface News was announced. Saudi Basic Industries Corporation (SABIC), a world-renowned diversified chem...[Details]
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Last Friday, Apple finally released its first 5G-enabled iPhone 12 series, which many users have been looking forward to for a long time. Although Apple's 5G device is a year late, the iPhone is stil...[Details]
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There's no such thing as a free lunch, your parents probably taught you. Of course, we can't extract energy from thin air, can we? But the fact is that the human body, factory machinery, radios of ...[Details]
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On October 29, Lizhen Technology's intelligent terminal project started construction in Kunshan. According to the news released by Kunshan, the total investment of the project exceeds 11 billion yu...[Details]
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Since its birth, the single-chip microcomputer has remained young, making our electronic engineers "secretly in love" with it from generation to generation. As a result, single-chip microcomputers ar...[Details]
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Protocols for multiple transport layers and applications
More and more safety and comfort electronic control functions are added to modern automobile systems. Although the number of ECUs has ...[Details]
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Tibetan foxes hunting in Yushu, Qinghai, cute monkeys playing in Baima Snow Mountain... These scenes full of vitality are the "colorful China" recorded by Qualcomm Snapdragon smartphones. On December...[Details]
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Today (29th), ARM Technology (China) Co., Ltd. announced that its board of directors passed a unanimous resolution in accordance with the company's articles of association and relevant laws and regul...[Details]
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Carbon dioxide is the most ideal benchmark for measuring the air quality in a car. It is more sensitive than other air quality indicators. The carbon dioxide content shows obvious changes in differ...[Details]
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