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A cheap LED flashlight has appeared on the market. The front end of this flashlight has 5 to 8 high-brightness light-emitting tubes and uses 1 to 2 batteries. Due to the use of ultra-high-brightness...[Details]
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Different lens brands have different definitions of megapixel lenses. For example, some Japanese brands define 1.5 megapixel lenses as follows: from the center to the periphery of the screen, 70% ...[Details]
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A New Method for Deep Submicron IC Design
This paper analyzes some defects in the traditional IC design process and proposes a new IC design method based on Logical Effort theory.
...[Details]
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The communication between PLC and inverter is the most commonly used function in PLC programming. It is usually realized by profibus_DP communication. Of course, USS communication, Ethernet communi...[Details]
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The previous article introduced the interrupt architecture of S3c2440. Today we will analyze the implementation of GNU-uC/OS-II interrupts on S3c2440.
First find the IRQ interrupt vector...[Details]
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RFID systems have become almost standard in modern production processes today. Application-specific RFID systems are used in conjunction with appropriate readers and coordinated software. With such...[Details]
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On February 26, Musk said on his personal Twitter that the company will replace the ternary lithium batteries in its electric vehicles with iron-lithium batteries. He said in the tweet, "Nickel is ou...[Details]
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introduction
In the substation automation system, it is often necessary to collect and process data of multiple three-phase voltage and current signals (such as real-time monitoring of pow...[Details]
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Abstract: CNC attenuator, as a new type of attenuator, is widely used in the electronic field. This article introduces the structure, characteristic parameters and control methods of CNC attenuator AT...[Details]
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One of the ways to improve the quality of electric energy is to reasonably add reactive power compensation equipment to the grid at appropriate locations to compensate for reactive power. As a new ty...[Details]
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(1) Check the two PN junctions of the transistor. Let's take the PNP transistor as an example. The structure of a PNP transistor is equivalent to two diodes, with the negative electrodes connected ...[Details]
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Alibaba has made new breakthroughs in the field of autonomous driving. On March 19, Alibaba DAMO Academy announced that a paper was recently selected for the top computer vision conference CVPR...[Details]
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The Standing Committee of the Political Bureau of the CPC Central Committee clearly pointed out that it is necessary to accelerate the construction of major projects and infrastructure that have been...[Details]
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According to Jiwei.com, BYD announced that it has launched a 27-meter-long double-articulated electric bus today. The electric bus can run 300 kilometers on a single charge and can carry 250 passenge...[Details]
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Abstract: With the advancement of automatic control concepts and automotive electronic control technology, more and more wire control technologies are being applied in the automotive field. This ar...[Details]
Making friends through disassembly
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