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The principle of radar speed gun is to apply Doppler effect, that is, the moving object has a frequency shift effect on the received electromagnetic wave. The radar speed gun calculates the moving s...[Details]
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Recently, Mr. Hao Jian, Executive President of Hexagon Manufacturing Intelligence Greater China, was invited to attend the 2019 (4th) China Aviation Science and Technology Conference and the 2019 She...[Details]
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As the "heart" of the satellite, the reliability of the power supply is very high. The DC/DC module in the satellite power system is mainly responsible for converting the output 42V DC voltage into...[Details]
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Over the years, the insurance industry seems to be constantly facing the question of "how to improve customer experience". From lengthy and complex insurance policy contents to inefficient interactiv...[Details]
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I recently used MDK4.0 and J-Link to learn about the CPU of the STM32 system. As early as two years ago, I wrote STM32 programs and drew circuit boards, but it was too long ago and I did it in my prev...[Details]
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In recent years, as green environmental groups continue to expand the boundaries of energy conservation and environmental protection, various standard organizations continue to release new energy ...[Details]
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The following problems occurred when STVP compiled the program: ----------- Project d164060 - STM8 Cosmic - Configuration Debug ------------- Removing intermediate files ... Done! ----------- Pro...[Details]
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Nidec Read will participate in the "2022 International Electronic Circuit Exhibition" held in Shenzhen, China (exhibition period: June 27-29, 2022). The exhibition is hosted by the Hong Kong Circuit ...[Details]
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0 Introduction
With the continuous development of measurement and control technology, it has become a development trend to apply embedded operating systems to the field of measurement and ...[Details]
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1 Basic principles of power routing and power bypassing
When designing RF circuits, the design of the power circuit and the layout of the circuit board are often left until the design of the high-...[Details]
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Early morning on September 5, Qualcomm and Facebook's parent company Meta have signed a multi-year agreement. The two parties will work together to develop a customized version of the Qualcomm Snapdr...[Details]
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introduction
With the rapid development of microelectronics and computer technology, many embedded application systems have emerged. Among them, various speech processing systems have been...[Details]
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Shl and shr are logical shift instructions. 1.shl is a logical left shift instruction, its function is: (1) Shift the data in a register or memory cell to the left; (2) Write the last bit shifted...[Details]
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#include
#define OUT_LED GPIO2
#define KEY_LED GPIO4
__CONFIG(0X0184); //Turn off everything and use internal RC
void Delay_us(unsigned int n)
{
while(n--);
}
void main()
{
int i=0,j=0...[Details]
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The rapid progress of the global automotive industry and the continuous innovation of technology have made electric vehicles, an environmentally friendly mode of travel, increasingly popular in the...[Details]