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The kernel I use is linux2.6.38. At the beginning, the development board can be used as a USB flash drive, but when using the HID function, the following problems occur:
g_hid gadget: hi...[Details]
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Every gamer dreams of having a very cool branded gaming desktop on their computer desk at home. Compared with the standardized chassis of DIY assembled machines, the customized design of branded cons...[Details]
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1 Introduction With the rapid development of highways, the speed of vehicles is constantly increasing, and the impact of vehicle aerodynamic drag on fuel consumption has become increasingly prominent...[Details]
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1. The packaging protection of the LED light strip is not perfect, causing the lamp beads to be damaged by impact during transportation. 2. There is a phenomenon of cold soldering at the welding...[Details]
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Humans are visual animals, relying on their eyes to obtain visual information, identify direction and distance. When your car helps you drive, what are its "eyes"?
The answer is onboard ...[Details]
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With the continuous development of integrated circuit technology, high-performance operational amplifiers are widely used in various circuit systems such as high-speed analog-to-digital converters (A...[Details]
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This chapter talks about using programs to control the level of the microcontroller's output I/O port, and then controlling peripheral devices. It should be noted that after the 51 microcontroller is ...[Details]
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Sina Digital News reported on the morning of May 10 that several pictures of the phone cases of the so-called "2019 iPhone" appeared on the whistleblower website Slashleaks today. According to...[Details]
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With the development of IGBT technology, IGBT has expanded from industrial to consumer electronics applications, becoming the fastest growing power semiconductor device in the next 10 years; and in t...[Details]
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Ⅰ. Write in front The beginning is always the hardest, as long as you are willing to work hard; the master can lead you to the door, but the practice depends on yourself; when you see this article, i...[Details]
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Undoubtedly, the durability and longevity of LEDs can be used in various applications, bringing obvious benefits. However, when high-
power
LEDs
are
used in high-
brightness
operations...[Details]
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The traditional single-task programming idea requires simple programming, clear ideas, and a short development cycle for obvious sequential control requirements; but it is difficult to meet the requi...[Details]
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Analog Input
- A/D Conversion Experiment
I. Purpose
Through A/D conversion, the voltage value of the external analog input channel can be correctly read.
II. Experimental procedures and p...[Details]
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When developing the system, the HardFault_Handler hardware exception occurs, that is, the system crashes. Especially for a system that calls the OS, the program volume is large, and the stack overflo...[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]
Test/Measurement
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