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Basic concepts of data communication There are three types of serial communication: simplex communication, half-duplex communication and full-duplex communication. Simplex communication: Data can onl...[Details]
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The program is still programmed on norflash Makefile uart.bin : start.s function.c arm-linux-gcc -g -c -o start.o start.s arm-linux-gcc -g -c -o function.o function.c arm-linux-ld -Ttext 0...[Details]
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A signal generator is a device that can provide electrical signals of various frequencies, waveforms, and output levels. It is used as a test signal source or excitation source when measuring the amp...[Details]
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After years of development, Qorvo, which focuses on the research and development of RF front-end products, has accumulated a lot of experience in the two major fields of terminals and base stations....[Details]
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1
Introduction
In many practical applications such as tunnel kiln temperature control systems and self-service lockers, we use the high-level
C
language of single-chi...[Details]
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There is background noise when performing pre-compliance measurements in a normal environment, and the electromagnetic signal generated by the device under test may be modulated by the background nois...[Details]
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When using the advanced timers TIM1 and TIM8 of stm32 to generate PWM, please note: 1. All have TIM1, but only large-capacity MCUs with flash capacity greater than 256K have TIM8 2. Compared with the...[Details]
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In the above blog, the author introduced how to set the default role in RBAC. Here I will introduce how to use custom Role. The main contents are: 1. Understand Action and NotAction in ...[Details]
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On July 30, at Huawei's first half performance conference, a reporter asked about the "Hongmeng" system. From a "spare tire" comparable to Android to an IoT system, it seems that it is whatever Huawe...[Details]
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1 Introduction
Water is the lifeline of agriculture, as well as the lifeline of the entire national economy and human life. The status of water resources and the level of water utilization have...[Details]
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"The PXI-466x modules feature integrated circuit piezoelectric (IEPE) technology, which eliminates the need for a separate power supply for the sensor, making it economical and convenient to use me...[Details]
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On December 5, Taiwan's Economic Daily and United Daily News simultaneously reported that Foxconn Group's first wafer-level packaging and testing plant, which was officially put into production in Qi...[Details]
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Different release time 1994 v4 1998 v5 2002 v6 2005 v7 2011 v8 2021 v9 What does the architecture define? 1 https://community.arm.com/cn/f/discussions/2471/armv7-armv8/13977#13977 ...[Details]
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For engineers tasked with making efficient motor drive systems, there is some bad news, and some good news. The bad is that you have a lot of options to look at, and the benefits are exactly the sa...[Details]
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1. The implementation principle of LED driver:
The conductivity of the transistor is controlled by the high and low levels of the GPC0_3 and GPC0_4 pins, thereby controlling the on and off of ...[Details]