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LED dot matrix is an important display terminal for public information, among which large-screen LED dot matrix display screens are used in many occasions. Large-screen display technology is more...[Details]
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Design of Modulation Module for Power Line Carrier Spread Spectrum Communication
Usually the demodulation circuit of the spread spectrum communication system is very complicated. In order ...[Details]
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Whether the key is closed or not is reflected in the level of the port line, that is, whether the level of the port line is high or low. Therefore, it is possible to confirm whether the key is pressed...[Details]
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Although the basic LED driver designed for general lighting applications is relatively simple, the design becomes very complex when additional features such as phase cut dimming and power factor co...[Details]
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From November 20 to 21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdo...[Details]
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On October 20, 2023, Deye people ushered in an exciting moment - "The celebration ceremony of Deye energy storage battery pack shipments exceeding 100,000 units (sets) and the industrial and commer...[Details]
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Electromagnetic compatibility (
EMC
) is an important technical indicator in electronic products. This article introduces the main factors, test methods and judgment criteria that affect th...[Details]
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0 Introduction
Wireless Sensor Network (WSN) is a network composed of sensor nodes, which can monitor, sense and collect various information of the objects of interest to the observers in the node...[Details]
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On July 10, Sony officially announced that the true wireless noise-cancelling sports earphones WF-SP800N were officially launched. Designed for sports enthusiasts, the earphones have the features of ...[Details]
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A post on Samsung's Mexican website may have accidentally leaked the name of the Galaxy S20 FE iteration, which is named Galaxy S21 FE. This is the first time GalaxyClub has mentioned the name of thi...[Details]
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1 Introduction This article will analyze how to use CC2530 to implement a wireless serial port. Some codes will be listed and the specific operation of CC2530 will be analyzed. The specific content o...[Details]
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1 Introduction
Altera has developed a complete set of tools (including SOPC Builder, Nios Ⅱ integrated design environment and Quartus Ⅱ development software) to help users accelerate hardware ...[Details]
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1. Registering soft interrupt is of course through open_softirq Here are some examples: void __init init_timers(void) { int err = timer_cpu_notify(&timers_nb, (unsigned long)CPU_UP_PREPAR...[Details]
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S3C2416 supports NandFlash and MMC (both belong to iROM mode). The boot mode selection depends on OM . The boot mode configuration is shown in the figure below. The memory mapping method when iROM ...[Details]
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Xiaopeng P5 officially announced its price and further disclosed some details about its battery system. I have sorted out the data I have collected. Overall, this generation of batteries is an iter...[Details]
Analogue and Mixed Signal
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