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U.S. Commerce Secretary Gina Raimondo said in a telephone briefing on May 31 that the global chip shortage may continue into next year, or even not ease until the beginning of the year after. She cal...[Details]
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Early embedded programs adopted the development model of "programming-burning-modification-burning", which consumed a lot of time on repeated chip burning, increasing development costs and R&D cycl...[Details]
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For image surveillance systems, users often put forward such functional requirements: they hope to be able to monitor distant objects. These objects may be distributed in suburbs, deep mountains, w...[Details]
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According to foreign media AppleInsider, accessory manufacturers have begun selling protective cases for the fourth-generation iPad Air, and the rumored release date on Tuesday is very close. As ru...[Details]
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1. Summary
The passband insertion loss is an important indicator of passive RF devices (such as filters, transmit combiners, cables). However, the common single power meter input and output test me...[Details]
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If you need a very fast, eye-tracking convertible car but don't want to spend more than $1 million, you can take a look at the Greyp G-12 electric bicycle, which weighs 49 kilograms and is equipp...[Details]
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1. Hardware Description
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The hardware interface diagram is shown below:
Interface and indicator light description:
Accessories: one serial cable, one USB interface...[Details]
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Frequency conversion motor models and parameters
Variable frequency motors can work continuously under specified environments. With the continuous improvement of AC speed regulation technology...[Details]
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According to the charging head website, after the iPhone system updated to iOS 13.1, the 7.5W mode of a large number of Apple wireless chargers on the market became invalid, causing Apple's 7.5W fast...[Details]
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There are a variety of software packages that allow stereo sound cards in personal computers (PCs) to provide oscilloscope-like displays, but the low sampling rate, high-resolution analog-to-digital...[Details]
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Nvidia’s proposed $40 billion acquisition of Arm has reportedly gained momentum, with three of the world’s largest chipmakers recently expressing support for the controversial deal. Nvidia's acqui...[Details]
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1 Introduction
This article aims to study MPEG-4 video decoding technology based on ARM microprocessor, which is mainly used in handheld mobile devices. Using embedded systems to implement MP...[Details]
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Here, channel 1 and channel 2 of TIM3 are used as level capture of AB items. Since STM32 has its own hardware encoder interface, it can be used as long as it is set up. It is very powerful. The fol...[Details]
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In the previous section, we talked about how to implement the tasklet mechanism
http://blog.csdn.NET/morixinguan/article/details/69666935
In this section, we will implement th...[Details]