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head.S .text .global _start _start: ldr sp, =4096 bl disable_watch_dog bl memsetup bl copy_2th_to_sdram ...[Details]
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LED multiplexing technology and application (LED pixel decomposition technology)
LED pixel decomposition (also known as virtual pixel) technology uses LED multiplexing technology. The same LED ligh...[Details]
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Recently, several Apple MacBook users reported to Consumer Reports that black lines appeared on their computer screens, accompanied by screen flickering, ghosting and other problems, involving...[Details]
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"We can no longer let the monocular camera be blamed for the inaccurate accuracy." Faced with the increasingly affordable cost of LiDAR, which is getting closer and closer to mass production for au...[Details]
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Point-to-point charging on highways relies on maneuverable booms to make the connection. Fighter jets can't carry a big tank of fuel on a mission, which is a bit unreasonable. Instead, they use large...[Details]
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Due to the needs of microwave engineering, most microwave RF components have female ports, while the ports of cable connectors are one female and one male. These microwave RF components cannot be dir...[Details]
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The MCR instruction transfers the data in the register of the ARM processor to the register of the coprocessor. If the coprocessor cannot successfully perform the operation, an undefined instruction e...[Details]
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Apple will launch the iPhone 14 series of mobile phones in September this year. This generation of Apple phones may be differentiated in terms of processor selection. The iPhone 14 mini and iPhone 14...[Details]
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1. Space vector
What is a space vector?
Definition: In a motor, a quantity that is sinusoidally distributed in space can be represented as a space vector.
1.1 Stator magnetomot...[Details]
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1. From the above interrupt schematic diagram, we can see that: 2440 has a total of 60 interrupt sources, which are generated by DMA, serial port, IIC and other controllers. When multiple interrup...[Details]
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Clinical help calls are an important means of transmitting clinical information. Ward pagers are emergency call tools for patients to request doctors or nurses on duty for diagnosis or care. They h...[Details]
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Due to overheating and reliability issues, AirPower could not be manufactured in a way that met Apple's standards, so Apple canceled the AirPower wireless charging mat project in May 2019. Recently...[Details]
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char src = "abcdefghigklmn123456\n";
char dest = "kkkk\n";
void dma_init(void)
{
DMACConfiguration = 1; //Enable the overall DMA
DMACC7SrcAddr = (int)src; //Assign the source address to the s...[Details]
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This paper introduces the software and hardware design method of vacuum fluorescent screen display in multifunctional kitchen control system. The system uses PIC16F72 single-chip microcomputer as...[Details]
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IEEFA, the Institute for Energy Economics and Financial Analysis, released a report, General Electric Misread the Energy Transition: A Cautionary Tale, which explains that General Electric seriously ...[Details]
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