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Independent buttons First of all, since it is to detect input, of course, a pull-up resistor is used to detect the change of pin level. In the 51 MCU, except for the P0 port, P2, P3, and P4 are quasi...[Details]
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Indoor Positioning System (IPS) is an important part of ubiquitous computing. With the popularization of smart terminals and the advent of the mobile Internet era, the demand for positioning and navig...[Details]
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There are significant differences between the 6410 DMA controller and the 2440 DMA controller.
DMA operation steps in S3C6410:
1. Decide whether to use secure DMAC (SDMAC) or general DMAC...[Details]
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If you need to measure power supply power or even calculate power factor, the advanced math function built into the Pico oscilloscope can be used as a power analyzer. In other words, in addition to...[Details]
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In electronic equipment and systems, various cables are essential links for signal transmission, and cables are also the main factor causing various electromagnetic compatibility (EMC) problems. Th...[Details]
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Introduction: The timer consists of an 8-bit auto-reload up-counter with a programmable prescaler. It can be used as a time base generator with overflow interrupt function. The main function: (1)...[Details]
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With the increasing development of China's industry, the requirements for monitoring and control equipment in the industrial production process are also constantly increasing. At present, in the field...[Details]
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0 Introduction
This paper proposes a method to use SDHC card as an external storage device of CC2530 to realize data storage. SDHC card has the characteristics of small size and large storage ...[Details]
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In the design of single-chip computer program, setting a good clock interrupt will enable one CPU to play the role of two CPUs, greatly facilitate and simplify the compilation of programs, and impr...[Details]
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TrendForce, a research firm, said that the lighting market is gradually recovering, driven by the rising energy-saving demands of governments around the world and the rise in global raw material pr...[Details]
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A Twitter user today exposed a patent for a pop-up camera phone design that Xiaomi registered in the early years but never disclosed. The patent shows that the phone uses a rear triple camera + a pop...[Details]
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Abstract:
The fast
charging
method
of supercapacitors was studied
, the principle of constant power fast charging was analyzed, and by comparing the constant current and constan...[Details]
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0 Preface
Due to the structure and modularity of C language, programs written in C language are easy to read and maintain, and have good portability. This paper introduces a method of implement...[Details]
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1. Use the mount command to mount ①The development board must be in the same network segment as the virtual machine and computer (they can ping each other) ② Place the program to be downloaded to the...[Details]
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In order to meet the lighting needs of fresh foods of various colors , the spectrum of fresh food lamps has become diversified. Although LED light sources with special spectra are theoretically...[Details]
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