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When GPIO is in input mode, the pull-down input and pull-up input configuration are shown in the figure below. It should be noted that pull-down input and pull-up input are distinguished by the port ...[Details]
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"Gas leak alarm controller" is also called "gas leak automatic alarm closing device" and "combustible gas detector". At present, it can be roughly divided into four types: independent combustible ga...[Details]
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Almost everyone who uses a cell phone has experienced a few dropped calls. While system failures or glitches in these and other consumer products are inconvenient, they are not catastrophic. Howeve...[Details]
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A stepper motor is a motor that can accurately control the rotation angle and speed in synchronization with a pulse signal. It is also called a "pulse motor". Since stepper motors can achieve accur...[Details]
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After ARM is powered on, it starts fetching instructions from address 0 and executes them. When connecting to a bin file, the connection script lcd.lds specifies that head.o is placed at the beginnin...[Details]
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1. The source of Android phones and tablets is Linux.
2. Your TiVo digital video recorder is powered by Linux!
3. Linux drives most of the world's supercomputers.
4. Linux softwa...[Details]
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What is an electromagnetic relay?
Electromagnetic relay is an electronic control device, which has a control system (also called input circuit) and a controlled system (also called ...[Details]
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NXP Semiconductors recently announced the launch of the QN9090 and QN9030 Bluetooth 5 SoCs, which support 802.15.4, multi-protocol RF and NFC. The latest additions to the QN series of Bluetooth low e...[Details]
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The star companies among the companies accepted by the Science and Technology Innovation Board are going to the meeting! Yesterday evening, Montage Technology, known as "China's most powerful integra...[Details]
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On October 20, at the 2021 Yunqi Conference, Jia Yangqing, Vice President of Alibaba Group and head of Alibaba Cloud Computing Platform Division, released "Ali Lingjie", which integrates Alibaba's ov...[Details]
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Since the outbreak of the Sino-US trade war in 2018, "autonomy and controllability" has become a pain point that the semiconductor industry has been working hard to overcome from top to bottom. In t...[Details]
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Recently, the Development and Reform Bureau of Wuyi County, Jinhua City, Zhejiang Province, publicly solicited opinions on the "Wuyi County Electrochemical Energy Storage Project Construction Manag...[Details]
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After the Frankfurt Motor Show, Volvo will release its first mass-produced pure electric XC40 in October, and a lot of information about it has been disclosed. From the overall layout of the XC40, t...[Details]
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Diabetes is an endocrine disease. According to reports, in 1997, there were more than 120 million diabetes patients worldwide, and this number will grow to more than 220 million by 2010. The most e...[Details]
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0 Introduction
Ethernet has the characteristics of strong versatility, mature technology, and rapidly increasing bandwidth. With the emergence of embedded technology in the field of industrial contr...[Details]
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