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In u-boot, env has two mechanisms In board_init_f there is a set In board_init_r there is a set u-boot uses the board_init_r method when entering cmdline or bootcmd During u-boot operation board_...[Details]
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Abstract: The causes of DC bias in SPWM inverter power supply are analyzed, the anti-bias methods currently used are compared, and a new method is proposed to suppress DC bias by using the midpoint...[Details]
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Lane recognition is an important issue in the field of autonomous driving. Today, we will introduce a practical algorithm for lane recognition using camera images. This algorithm uses the OpenCV li...[Details]
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Reliable leaker going by the handle l0vetodream has suggested that Apple could debut its rumored colorful redesigned iMac at its "Spring Loaded" event on Tuesday, April 20. In a tweet, the lea...[Details]
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U-boot source code download: ftp://ftp.denx.de/pub/u-boot/ Boot process analysis: 1. Programs less than 8Kb: IROM reads 8K data from nand to ISRAM for execution; 2. Programs greater than 8kb (mainly...[Details]
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According to the website of Russia Today TV, Russia's Kommersant reported on the 11th, citing industry data, that Chinese brands have squeezed out the world's largest smartphone sellers Apple and Sam...[Details]
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A new study from Strategy Analytics shows that a large number of employees working from home will reduce billions of commuting trips and reduce office-based work environments by 22%. The analysis is ...[Details]
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1. Good visibility: LED traffic lights can maintain good visibility and performance indicators under adverse climatic conditions such as continuous lighting, rain, dust, etc.
2. Power saving:...[Details]
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The bit error rate (BER) is an indicator that measures the accuracy of data transmission within a specified time. Bit error rate = bit error in transmission / total number of bits transmitted * 100...[Details]
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Touch screens are widely used in various fields of our daily life, such as mobile phones, media players, navigation systems, digital cameras, digital cameras, digital photo frames, PDAs, game devic...[Details]
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After Suzhou Lecos' inspection, acceptance and operation and maintenance of photovoltaic power stations, we learned that the photovoltaic power station power generation system tester is used to monit...[Details]
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Everyone is familiar with foldable screen mobile phones. When Lenovo released the Chinese version of the Motorola Razr foldable screen mobile phone last year, the company also announced the "world's ...[Details]
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1. Address space of S3C2410/S3C2440 The access range of 27 address lines ADDR0~ADDR26 led out by S3C2410/S3C2440 is only 128MB, so how to reach 1GB of space? The CPU also leads out 8 chip sele...[Details]
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2022 World New Energy Vehicle Conference | Wang Shengyang of Nanochip: Promote the localization of automotive chips and jointly build a secure and stable supply chain August 26, 2022 - From August...[Details]
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Now, you might ask me, "What does a marathon have to do with LEDs ? Do you really know what you're talking about?" I think so. Just like strong runners lead the way in a marathon, LEDs are leading ...[Details]