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HTC responded to the removal of its flagship stores on JD.com and Tmall on Weibo. HTC said that out of consideration for HTC's long-term business strategy in China, it will temporarily close the HTC ...[Details]
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In the s3c2440 real-time clock (RTC), two interrupt sources are defined: alarm interrupt and time beat interrupt. Some netizens asked about the usage of these two interrupts. Recently, I took some tim...[Details]
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The megohmmeter generator handle is heavy and the output voltage is low. Possible reasons: 1. There is a short circuit in the generator circuit, which causes the circuit resistance to decrease and th...[Details]
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Biosafety cabinet is a kind of equipment that uses isolation technology to prevent dangerous microorganisms from spreading to the outside world. With the continuous development of biotechnology, th...[Details]
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LPC824 has an M0 chip Although there are some flaws Good low power consumption In power-down mode, it is easy to achieve a few uA The trouble is that you need to carefully adjust the settings...[Details]
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The S3C2440 chip has a total of 8 A/D conversion channels, AIN0-AIN7, and only one converter with a conversion accuracy of 10 bits and a maximum conversion rate of 500 KSPS at a 2.5MHz A/D ...[Details]
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The regulated power supply made with LM317 adjustable integrated voltage regulator can output multiple different voltages. How great it would be if these multi-speed and different output voltage va...[Details]
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There are a few companies vying to capture as much of the market as possible in the ARM-based server space, and these companies are not only trying to attract x86 customers, but they are also competi...[Details]
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1. There is no display when the liquid flows normally, and the cumulative amount does not increase. 1) The power supply circuit or signal circuit is broken or in poor contact; Troubleshooting met...[Details]
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Using USART as an example to use DMA It is divided into two parts. The first is the configuration of the DMA peripheral itself; the second is the configuration of the DMA part of USART. DMA configura...[Details]
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The function of natural gas flow meter The natural gas flow meter is manufactured using the Karman vortex principle. It has the advantages of high measurement accuracy, wide range, low power cons...[Details]
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Digital voltmeters have been designed and developed in many types and styles. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. To compl...[Details]
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Madrid, December 10 (Xinhua) -- The Global Energy Interconnection Development and Cooperation Organization released a report on climate change in Madrid on December 9, saying that the large-scale d...[Details]
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WPG Holdings announced that its subsidiary WPI has launched a frequency-hopping PKE/RKE keyless vehicle access system solution based on NXP products. Keyless vehicle access control systems have c...[Details]
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Analysis process:
Program entry
Phase 1 Program Analysis
Second stage program analysis
2440 Development Board:
1.uboot entry:
To see the entry of...[Details]