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According to the author's previous analysis, the TWS headset industry has entered a mature stage after several years of development; this is mainly reflected in the further concentration of market s...[Details]
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Serial port is the abbreviation of serial port, also known as serial communication interface or COM interface. Serial communication refers to a communication mode that uses a serial communication p...[Details]
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After learning the single-chip microcomputer driven 7-segment digital tube display circuit, I understand that most of the practical applications use special digital tube display driver chips, such as ...[Details]
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The biggest difference between the off-site traffic enforcement model and the traditional law enforcement model is that once a violation occurs, visual data can be recorded. The perpetrator does not...[Details]
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Friction materials are essential functional materials for automobile braking systems. Brake pads made of friction materials not only directly affect the operability, reliability and comfort of the c...[Details]
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Behind the strengthening of electric vehicle batteries, these advanced technologies are indispensable
For decades, the automotive industry has been slowly consolidating, while tech...[Details]
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"The purpose of the retail industry adopting innovative technologies is to make profits. In order to achieve profitability, retailers must reduce the total cost of ownership, or TCO, of adopting or d...[Details]
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As I learn more, I have a deeper understanding of 51, especially the importance of interrupts! If you are a beginner like me, please learn interrupts well! Today I would like to share some little-k...[Details]
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Before 5G mobile phones become popular around the world, Samsung has already started developing 5G 8K TVs. According to foreign media reports, Samsung has reached a cooperation with South Korea's S...[Details]
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Union
1. Union declaration and union variable definition
Union is also a new data type, which is a special form of variable.
Union declaration and union variable definition are very sim...[Details]
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#include reg51.h
#define uchar unsigned char //byte
#define uint unsigned int //word
sbit led1=P0^0;
sbit led2=P0^1;
#define INBUF_LEN 8 //data length
unsigned char inbuf ; //dat...[Details]
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According to Counterpoint Research, India's smartphone market will hit an all-time high of 173 million units in 2021, up 14% year-on-year. Smartphone shipments are expected to exceed 100 million unit...[Details]
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1. Basic knowledge
The source file (.c or .s) we wrote is compiled by the ARM compiler to generate an ELF format target file (with the suffix .o). The target file is connected by the ARM ...[Details]
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my country's Ministry of Science and Technology has clearly pointed out that the smart grid is an important platform for implementing new energy strategies and optimizing energy resource allocation...[Details]
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Create light.c:
Modify start.S:
Modify Makefile: add light.o
Finally, make succeeded and burning was successful.
Similarly, we can also call our assembly f...[Details]
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