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UPS (Uninterruptible Power System) AC power supply is increasingly widely used in various fields of the national economy. This article will introduce a practical and simple online UPS. The b...[Details]
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1 #include linux/module.h 2 #include linux/kernel.h 3 #include linux/fs.h 4 #include linux/init.h 5 #include linux/delay.h 6 #include asm/io.h 7 #include linux/cdev.h 8 #includ...[Details]
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LG Velvet is a 5G mobile phone launched by LG. It uses the Snapdragon 765G chip, but its price is at the high-end flagship price. Its prices in markets such as Europe and South Korea are all a...[Details]
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It is a common phenomenon that the crystal oscillator of the microcontroller does not oscillate. What are the reasons for the crystal oscillator not oscillating?
(1) PCB wiring error;
(2) The qua...[Details]
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introduction
LTE (Long Term Evolution) technology is the main direction of the evolution of the third generation of mobile communications. As an advanced technology, the LTE system has great advantag...[Details]
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Yesterday, OnePlus released its latest mobile phone. Unlike previous years, this year OnePlus launched two mobile phones at the press conference: OnePlus 7 and OnePlus 7 Pro, which has never been see...[Details]
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01 Technical Difficulties: In the production process of silicon materials, temperature is a very important process parameter. However, the traditional online infrared point thermometer equipment cann...[Details]
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Amazon's self-driving car company Zoox announced the launch of an electric, fully driverless car that can travel in both directions without a steering wheel. Zoox is a six-year-old self-driving start...[Details]
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Temperature control probe sensors are devices used to measure temperature and are widely used in industry, medical treatment, scientific research and other fields. Among temperature control probe s...[Details]
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In June this year, CATL's market value broke through the 1 trillion yuan mark, entering the top 10 of A-share market value. Many people were surprised at this time that lithium batteries were so prof...[Details]
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Automotive suppliers and OEMs are investing heavily in software development to add new functions and features to enable autonomy, electrification and connectivity. However, implementing these feature...[Details]
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On January 16, the "2021 China IC List" jointly organized by the China Semiconductor Investment Alliance and Jiwei.com was officially announced in Beijing. Shanghai Nanxin Semiconductor Technology Co...[Details]
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Advantages of using a ground resistance tester:
First, the operation is simple. The test can be performed while the device under test is working normally without disconnecting the power supply...[Details]
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In the circuit, RV6, R V12, and C+ 12 act as shunts to improve the anti-interference ability of the trigger circuit. U 6 is the output stage power amplifier transistor, which amplifies the power of t...[Details]
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On the evening of March 4, the new Tencent Red Magic Gaming Phone 6 series was officially released, all equipped with Qualcomm Snapdragon 888 flagship mobile platform. As the first gaming flagship br...[Details]
Microcontroller MCU
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