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The vehicle terminal device is the front-end device of the GPS vehicle monitoring and management system, which is installed on the monitored vehicle. The vehicle terminal can also be secretly ins...[Details]
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ORG 0000H
ST: MOV DPTR,#TAB ; Display the first address of the data table
LP5:CLR P2.2; 74HC595 output clear
SETB P2.2
CLR P2.4 ;Select the first line 000
CLR P2.5
CLR P2.6
MOV A,#00H ; ...[Details]
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In the integrated development environment of Realview MDK, by default, debug files in *.axf format and executable files in *.hex format can be generated. Although these two file formats are very usef...[Details]
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#include intrins.h #include STC8.H sbit lcd_sclk=P5^0; /*Interface definition: lcd_sclk is CLK*/ sbit lcd_sid=P5^1; /*Interface definition: lcd_sid is MOSI*/ sbit lcd_rs=P5^2; /*Interface definiti...[Details]
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How long is the life of a speaker?
This is a question that many people are concerned about. Under normal use, it should be absolutely fine for 15 years. If it is well maintained, it can last e...[Details]
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On September 3, according to documents disclosed by the Hong Kong Stock Exchange, on August 31, Xiaomi Group founder Lei Jun sold more than 300 million shares of Xiaomi. His holdings in Xiaomi Group ...[Details]
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Not long ago, the "Key Technologies, Complete Equipment and Engineering Applications of Flexible Substations" passed the technical appraisal of the Chinese Society of Electrical Engineering. Expert...[Details]
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The power module is extremely important for a control system. It is related to whether the entire system can work normally. Therefore, a suitable power supply should be selected when designing a ...[Details]
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Recently, Rohm released a 200V Schottky barrier diode (SBD for short). In fact, the diode is a very common electronic component, which is widely used in rectifier circuits, detection circuits, voltag...[Details]
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A study published in the latest issue of "Science Advances" shows that Johns Hopkins University in the United States has developed a brain-computer interface (BCI) to treat ALS, which can be used in ...[Details]
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In today's global energy shortage environment, energy conservation has become a general trend. At the same time, the country also vigorously advocates energy conservation and emission reduction. Th...[Details]
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The program uses the assembly code that was successfully compiled before. Then use the following script to debug the script /*** Use Configuration !disalbe! Wizard in Context Menu ***/ /*Nam...[Details]
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Since the introduction of the Programmable Logic Controller (PLC) in the United States in the 1960s to replace traditional relay control devices, PLC has developed rapidly and has been widely used ...[Details]
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Stepper motor: It is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. Simply put, it relies on electrical pulse signals to control...[Details]
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The soft-start thyristor voltage regulator circuit is a power electronic technology widely used in the industrial field. It controls the conduction angle of the thyristor to achieve smooth starting...[Details]