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STM32 external interrupt query: The external interrupts of lines 15-10 share an interrupt function. How can I query in this function which interrupt line caused the interrupt? Use EXTI_GetITStatus(...[Details]
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With the rapid development of my country's communications, power, UPS and other industries, the use of batteries is also increasing rapidly. Under the current conditions of battery use, some unexpect...[Details]
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The development of electric vehicles in 2020 has been very successful for the three new car companies listed in the United States. However, 2020 has been a very difficult year for traditional cars i...[Details]
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If several lighting branches share one fuse, it is troublesome to find the short circuit fault by ordinary methods.
At this time, you can first connect a 500W white paper bulb to both ends of the b...[Details]
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1. Use the resistance measurement method to determine the electrodes of the junction field effect transistor According to the phenomenon that the forward and reverse resistance values of the pn jun...[Details]
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As the demand for night vision monitoring in security video surveillance system projects becomes more and more widespread, infrared cameras have entered the mainstream camera market, and sales are...[Details]
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1 Introduction
There are many electronic control units in electric vehicles, small internal space, and large environmental interference, which puts higher requirements on the control system ...[Details]
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For many ARM beginners, owning an ARM development board is the first step, but here we suggest that after getting a development board, don’t blindly start experiments!
Due to the mystery of AR...[Details]
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Introduction: The USB 0TG master-slave system designed in this paper has stable performance and high data transmission efficiency. Tests show that this design can correctly realize the data exchange ...[Details]
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STMicroelectronics announces second quarter 2022 financial results • Second quarter net revenue of $3.84 billion; gross margin of 47.4%; operating margin of 26.2%; net profit of $867 million • Ne...[Details]
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The above is a family photo of the minimum system of the 51 series single-chip microcomputer. The photo after assembly is as follows:
All input and output pins of this circuit are led out wit...[Details]
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1. Basic concepts:
1. Battery voltage:
a. Open circuit voltage: the terminal voltage of the battery in the open circuit state.
b. Working voltage: The voltage displayed during the di...[Details]
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According to news on January 12, TSMC released its fourth quarter earnings report today, with revenue of NT$625.53 billion (currently approximately 138.868 billion yuan) and net profit of NT$295.9 bi...[Details]
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Right now, the "portable future" seems to be just around the corner, with devices that were once bulky and bulky now becoming lightweight and portable. I have personal experience with this in my pers...[Details]
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Last time I looked at the data area, this time I want to see what is running when jumping from the boot to here.
/*
* The reset code that is actually running. The code that runs from the be...[Details]
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