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Use u-boot to boot from NOR Flash. As mentioned above, u-boot is a two-stage Bootloader. The first-stage files are cpu/arm920t/start.S and board/EmbedSky/lowlevel_init.S. The former is platform-relat...[Details]
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In today's world, with the continuous improvement of environmental awareness and the expectation of green energy, how to improve energy efficiency is a problem we are facing. Globally, the "low pow...[Details]
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Let's sort out the ADC conversion function of AVR. The digital-to-analog converter in AVR is a 10-bit successive approximation ADC. It provides 8 single-ended input channels. The single-ended voltage...[Details]
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Reference address of this article: http://www.eepw.com.cn/article/202103/423865.htm Fig.1.In hybrid-electric vehicle electrical architectures,the on-board charger must contend with the AC power lin...[Details]
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China Energy Storage Network News:
Recently, the People's Government of Hefei City, Anhui Province, issued the "Opinions on Further Promoting the Sustainable and Healthy Development of the Ph...[Details]
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Advantages such as small form factor, low power consumption and fast turn-on time have led to the
widespread adoption of
high-brightness LEDs
in today's automobiles. The initial application...[Details]
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The 430 microcontroller generally has an internal information area to store some data that requires EEPROM. Since I didn't receive any relevant information in the forum, I'll just use the informatio...[Details]
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In today's competitive business environment, supply chain efficiency is often the key factor in the success or failure of a business. As consumer demand continues to change, traditional logistics s...[Details]
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1. IE interrupt enable register EA: When EA=0, all interrupts are disabled (i.e. no interrupts are generated); when EA=1, the generation of each interrupt is determined by the individual enable bit...[Details]
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Relay && Humidifier module DXP schematic diagram Humidifier module physical proteus simulation diagram 1. Hardware connection //DHT11 io = P1^0; //DHT11 DATA port //Buzzer and LED sbit Beep =...[Details]
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Voice is an important medium for information exchange. With the development of artificial intelligence technology, voice has also become an important tool for communication between people and machi...[Details]
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In actual power systems, the voltage generated by three-phase generators is often not an ideal sine wave. Due to the nonlinearity of the magnetic circuit, the excitation current of transformers and...[Details]
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Boot from u-boot (1.1.6) in sd card u-boot loads the kernel (4.0) of the first partition (formatted as fat16) in the sd card, and then the kernel starts. // If a partition is to be formatted as fat...[Details]
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Global battery giant Panasonic has begun to clearly slow down its production capacity expansion. According to Nikkei.com, on December 20, Panasonic Energy said that after "careful consideration" it...[Details]
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At first glance at the title, readers may wonder, what is this strange thing, and it can work without power? In fact, the author is just keeping it a secret here. What I mean is that it can run n...[Details]
Making friends through disassembly
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