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(1) The analog DC voltage range is composed of a series voltage divider resistor and a parallel shunt resistor, so its input resistance is generally one order of magnitude lower than that of a digita...[Details]
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Preface For those who are new to STM32, many basic knowledge is not mastered, and these basic knowledge become the threshold that prevents them from getting started. Therefore, today we will share th...[Details]
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A set of CAD renderings of the 2019 new iPhones were exposed online, including iPhone XI, iPhone XI Max and iPhone XIR. It can be seen that its main appearance has not changed much from the c...[Details]
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There were many important publications in cardiac imaging in 2012, with a focus on cardiovascular magnetic resonance imaging (CMR) and cardiac computed tomography (CT). This article focuses on the...[Details]
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According to reports, research teams from the University of Cambridge, the University of Oxford, and University College London (UCL) jointly developed an augmented reality head-up display. This devic...[Details]
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On the afternoon of the 16th, Huawei released its third quarter 2019 operating performance report on its official website. The report shows that as of th...[Details]
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At 22:43 on December 8, with the charging and successful operation of the No. 1 main transformer of the Awati Uluqele 110 kV transmission and transformation project, all 15 35 kV and above "three d...[Details]
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China, June 15, 2022 – STMicroelectronics’ ST25R3916B-AQWT and ST25R3917B-AQWT NFC Forum reader chips offer high output power , high energy efficiency, and competitive pricing. They support four NFC ...[Details]
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In 2019, a smart headband for children appeared in people's vision. It was created by Qiangnao Technology. With the help of this headband, students' learning interest and initiative awareness have be...[Details]
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introduction
The core of embedded system hardware is various types of embedded processors. Currently, there are more than 1,000 varieties of embedded processors in the world, and there are...[Details]
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51 single chip microcomputer composition CPU: It consists of calculation and logic control, as well as an interrupt system and some external special function registers; RAM: used to store data that...[Details]
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On April 17, the Semiconductor Alumni Committee of Wuhan University (hereinafter referred to as the Semiconductor Committee) and the Alumni Association of Wuhan University in Guangxi (hereinafter ref...[Details]
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How to repair a two-phase motor that does not rotate and buzzes after being powered on
If a two-phase motor does not turn and makes a humming sound after being powered on, the motor may be dam...[Details]
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Electric cylinders are also called servo electric cylinders, electric actuators, electric slides, linear slides, industrial robotic arms, etc. They are modular products that integrate servo motors ...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]