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The startup phase of u-boot is divided into two parts. The first part is mainly the start.S file. The post analyzes the meaning of each line of code as much as possible, and checks a lot of manuals. ...[Details]
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#include reg52.h //MCU header file #define uint unsigned int //macro definition of unsigned integer #define uchar unsigned char //macro definition of unsigned character type #include ...[Details]
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Thermal runaway of electric vehicle power batteries refers to the situation where the power battery overheats and is out of control during use or charging, which may cause serious accidents such as...[Details]
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According to preliminary results of the Global Quarterly Personal Computing Device Tracker released by IDC, global PC shipments increased by 26.1% year-on-year to 91.6 million units in the fourth qua...[Details]
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The first consideration is to determine the desired output voltage. The simplest linear regulator has a fixed output voltage range, which is determined by internal connections similar to the R1/R2 ...[Details]
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The “home network” continues to evolve, and now connected products can work seamlessly together to provide a smart and secure home experience. In fact, the latest smart home and smart voice home assi...[Details]
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There are many methods to measure the degree of insulator pollution, such as equivalent salt density, conductivity of pollution layer, surface conductivity, leakage current, pollution flashover voltag...[Details]
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High-end clothing brand Louis Vuitton has unveiled a new generation of its Horizon wireless earbuds. The new version of the Horizon earbuds was developed in collaboration with Master & Dynamic, and i...[Details]
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In order to ensure that the EPS emergency power supply is better applied to the fire emergency system, the EPS emergency power supply needs to be inspected and tested before or during use. The fo...[Details]
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The rising star in digital electronic circuits is the digital logic circuit. It is called a digital circuit because although the pulses transmitted in the circuit are also pulses, these pulses are use...[Details]
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1 Introduction
At present, most of the temperature control equipment at home and abroad is single-channel control, which can only control one heating device. In China, the research and deve...[Details]
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Large
LED display screens
have become a new force in the media
Walking in the streets of the city's bustling business districts and major business districts, have you noti...[Details]
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Power devices and passive components light up the 97th China Electronics Fair. CEF will meet again in Chengdu and Shanghai in the second half of the year. On April 11, 2021, the three-day 97th Chin...[Details]
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System functions Use 74LS164 to expand the AVR's serial port output to parallel port output. hardware design Schematic diagram of the control circuit of the serial output expansion chip 74LS164 p...[Details]
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In the previous basic knowledge, physical addresses were used to light up the LED lights. Now, after learning about MMU, we will use the knowledge of MMU to light up the LED lights with virtual add...[Details]
Microchip MCU
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