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2019 is the first year of 5G commercialization, and it is inevitable that 2G and 3G will be phased out. This trend brings up an unavoidable question: once 2G and 3G are phased out, what will happen t...[Details]
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Jingyuzu, a brand under JD.com, released this neckband Bluetooth headset in the first half of this year. In the past two years, the Bluetooth headset market has developed rapidly, with many products ...[Details]
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1. When uploading the program to the board, the Arduino IDE prompts "avrdude: stk500_getsync(): not in sync: resp=0x00" I found many people who encountered this problem online. Some said it was a dr...[Details]
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The sky over Ukraine has been bombarded with artillery fire for six days. On February 28, the highest price of London Brent crude oil futures exceeded $100 per barrel. During the next oil price adj...[Details]
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Early this morning, a netizen left a message to Lu Weibing, President of Xiaomi Group China and General Manager of Redmi Brand: I hope that Redmi K50 will continue to maintain its cost-effectiv...[Details]
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According to news on December 11, the China Automotive Power Battery Industry Innovation Alliance released data. In November, my country’s power battery installed capacity was 44.9GWh, a year-on-year...[Details]
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On December 1, Jidian Co., Ltd. successfully connected the first phase of its first lead-carbon 100MWh user-side energy storage project to the grid in the Chaowei Langshan factory park in Xiaopu Park,...[Details]
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1. Introduction Thyristor is also called silicon controlled rectifier (SCR). Since its advent in the 1950s, it has developed into a large family. Its main members include unidirectional thyrist...[Details]
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IT Home learned that Lenovo Legion Phone officially released a new pre-heating poster. The poster pointed out: "Is 55W really enough?" and said that Lenovo Legion Phone "charges 10% in 15 minu...[Details]
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Chinese power producer Beijing Jingneng Electric Power Co Ltd (SHA:600578) will develop a 5GW complex in Inner Mongolia combining wind and solar power generation with hydrogen production and energy...[Details]
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The spoke-type load cell has high accuracy, good long-term stability, flange installation, good non-linearity and repeatability, and can meet the precise measurement of 1T-100T range. It is character...[Details]
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The flowchart of keyboard display module debugging is shown in the figure below: #include reg51.h #include absa CC .h #define com XBYTE ；8279 command entry address #define dat XBYTE ；8279 dat...[Details]
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Designers are trying to use low-power audio amplifiers with negative-swing capabilities to achieve higher audio performance than traditional single-ended amplifiers. Negative-swing switches allow mu...[Details]
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Moore's Law has driven the semiconductor industry forward. Previously, it relied on two magic weapons: one was the reduction of process size, and the other was the increase of silicon wafer diameter....[Details]
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1. Introduction
At present, there are many types of monolithic switching power supplies, such as TOP-switch, Tiny-switch, Cool-set, etc. These monolithic switching power supplies all work in ...[Details]
Power technology
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