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On September 27, the Science and Technology Innovation Board Leaders Summit hosted by Securities Daily was successfully held at the China Securities Museum, the birthplace of the Shanghai Stock Excha...[Details]
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To control brightness, light emitting diodes (LEDs) require a constant current. This is achieved by placing a resistor in series with a group of LEDs. Since both the voltage across a group of LEDs an...[Details]
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What modules does PLC consist of?
PLC is mainly composed of the following modules:
CPU module: CPU is the core module of PLC. Its main functions are to process input signals, execute prog...[Details]
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Nowadays, cables are used in all aspects of people’s production and life, so mastering the operation of network cable tester is the most basic requirement for cable users. So how to use the network...[Details]
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This paper studies the design of a 16×16 LED Chinese character scrolling display screen based on the AT89C51 single-chip microcomputer and its simulation implementation using Proteus software. It m...[Details]
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Rohde & Schwarz is outstanding in RF. I personally think that Rohde's network analyzers, whether handheld or desktop, are easy to use. After using the instrument for a long time, it needs regular mai...[Details]
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Figure 1 Interrupt system structure
As shown in the structure of Figure 1, the 51 single-chip microcomputer has five interrupt request sources and four registers for interrupt control, IE, I...[Details]
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Today, vivo’s official Weibo account announced that the X50 Pro+, which features full-focal-length intelligent imaging, is officially on sale. It is reported that the vivo X50 Pro+ uses a 6.56-inch 1...[Details]
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Although LED lighting has a promising future and the industry has invested a lot of effort in the field of LED chips , circuit design still plays an important role in driving LED light sources. ...[Details]
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On August 13, Wang Jun, President of Huawei's Intelligent Automotive Solutions BU, announced Huawei's Hongmeng in-vehicle system at the 2020 China Automotive Forum: Hongmeng cockpit operating system ...[Details]
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introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
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Sina Technology News on the afternoon of April 2nd, according to Taiwan's "Electronic Times" report, it is rumored that Apple is interested in purchasing 5G baseband chips from Qualcomm and Sams...[Details]
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With the rapid development and continuous improvement of high-frequency modulation technology of fully controlled power devices, switching inverters have become mature in terms of basic circuit for...[Details]
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The measurement of direct current or alternating current is generally carried out using the indirect method. The specific method is: (1) First, convert the current into a proportional voltage. ...[Details]
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On November 10, security company Trend Micro recently discovered that the CMU (Connect Connectivity Master Unit) system of many models of Japanese automaker Mazda has multiple high-risk vulnerabili...[Details]
Wireless Connectivity
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