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On May 25, the China Academy of Information and Communications Technology released an analysis report on the operation of the domestic mobile phone market in April 2022, and the situation was gloomy....[Details]
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1. Introduction
Power factor is an important parameter in AC circuits, an important indicator for measuring whether the power system is operating economically, and an important detection q...[Details]
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Phenomenon: When using a USB camera to display images on an LCD, the USB ROOT HUB reset occasionally occurs, causing the camera to stop working. The USB camera then automatically disconnects, then i...[Details]
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Today, Unisoc has entered the first echelon of global 5G. This is closely related to its firm determination to invest in 5G. In December 2014, Unisoc launched 5G R&D and established a 5G team; in Jan...[Details]
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1 Overview The LIN protocol is a new low-cost serial communication bus that has emerged. Its full name is Local Interconnect Network, which is a local interconnect network. It first appeared in the...[Details]
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According to Taiwan's Economic Daily News, the United States' new wave of clampdowns on Huawei has resulted in the latter being unable to obtain parts and components containing American technology fr...[Details]
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Recently, foreign media reported that iOS 13 will abandon support for iPhone 5s, iPhone SE, iPhone 6/6 Plus. As for iPad, devices earlier than iPad mini 2 and iPad Ai will not be able to install iOS ...[Details]
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Ruckus Networks, a subsidiary of CommScope that develops innovative wired and wireless networking technologies, recently announced that it has added four new categories to its Ruckus Ready Partner Pr...[Details]
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On the evening of February 28, Xingyuan Materials disclosed its annual report. The company achieved operating income of 1,860,537,490.88 yuan in 2021, a year-on-year increase of 92.48%; net profit at...[Details]
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32-bit ARM embedded processors have the characteristics of high performance and low power consumption, and have been widely used in consumer electronics, wireless communications, network communicat...[Details]
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introduction
I have published an article titled "Technical Reform of DC Power Supply PWM Cascade and Multi-level Inverter", which was written for voltage-type inverters. In fact, based on ...[Details]
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1. Detection of intermediate frequency transformer A. Set the multimeter to R×1, and check the on/off status of each winding one by one according to the arrangement rules of the winding pins of the...[Details]
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The final results of the "OFweek Robot Awards 2022" jointly organized by OFweek, a Chinese high-tech industry portal, and its authoritative
robot
professional media - OFweek Robotics, were ...[Details]
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From May 9 to 11, Liu Yujie, secretary of the municipal party committee, led a team to Beijing to conduct investment promotion activities. They visited enterprises, inspected projects, and negotiated ...[Details]
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LIS2DW12 is an ultra-low power 3D accelerate sensor in ST's second-generation MEMS family. It is often used in miniaturized wearable products such as rings and headphones. Among them, implanting 3D...[Details]
stm32/stm8
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