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//Wei Dongshan u-boot transplantation notes 1. Download, build source insight project, compile, burn, if it does not run, analyze the reason tar xjf u-boot-2012.04.01.tar.bz2 cd u-boot-2012.04.01 mak...[Details]
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Modbus is a serial communication protocol invented by Modicon for communication between its PLC and host. Its physical layer adopts asynchronous serial standards such as RS232 and 485. Due to its o...[Details]
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1 Introduction Robot competition is a competitive activity that has developed rapidly in recent years. It involves many fields such as artificial intelligence, machinery, electronics, sensors, prec...[Details]
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According to foreign media reports, Consumer Intelligence Research Partners (CIRP) said in a report that the growth rate of Apple's iPhone user base in the United States is slowing down. Apple's in...[Details]
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This article is translated from Semiwiki The market for medical chips is heating up as sensor and processing technologies mature, seeing frenetic activity from system companies and startups looking...[Details]
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1. As usual, the new project selected the 51 series of microcontrollers, and the inserted header file was reg51, but the following problems occurred during compilation P2 in the code cannot be defi...[Details]
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On the evening of May 16, NIO's official Weibo account announced that a NIO ES8 near Anli Road in Jiading District, Shanghai, caught fire and began to emit smoke. Firefighters rushed to the scene and...[Details]
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Generally speaking, DC power supplies have two working modes, CV/CC, corresponding to the two internal loops (CV control loop and CC control loop). Traditional power supplies always give high priorit...[Details]
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With the trend of new energy vehicles becoming intelligent, not only is the competition in the smart driving field becoming increasingly fierce, but the competition in the smart cockpit field is al...[Details]
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Backlight sources are divided into direct-lit backlight sources and edge-lit backlight sources according to the position of the light source. In direct-lit backlight sources, th...[Details]
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1. S3C2440 startup method 1. Boot media When S3C2440 is powered on, it determines the position where the instruction starts to be executed (i.e. the position of the boot ROM) by judging the signal co...[Details]
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1.STM32CubeMX configuration 2. Modify the code First add the serial port code, because the printf function is needed Add in usart.c #ifdef __GNUC__ #define PUTCHAR_PROTOTYPE int __...[Details]
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On November 8, the spot price of lithium carbonate continued to hit a record high; data from Shanghai Steel Federation showed that on November 8, the price of battery-grade lithium carbonate increase...[Details]
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As a new technology for fast, real-time and accurate information collection and processing, Radio Frequency Identification (RFID) technology uses radio frequency signals to automatically identify sta...[Details]
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With the increasing number of household electrical appliances, a large amount of current harmonic components flow back into the power grid, causing harmonic "pollution" of the power grid. In order ...[Details]
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