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After the price of oil and electricity increased, everyone took out their bills and carefully studied how to save money. Many people decided to switch to
LED
bulbs. In fact,
the function o...[Details]
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On April 20, the National Development and Reform Commission held a press conference, at which the scope of "new infrastructure" was clarified for the first time, including information infrastructure,...[Details]
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The History of Television and Television Technology Domestic and foreign market Domestic Smart TV Wars TV timeline scroll In 1906, the world's first electronic television image receiver was bo...[Details]
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DMA Introduction: DMA (Direct Memory Access) is a data access method that can reduce the workload of the CPU and is now widely used. While transmitting data, the CPU can do other things, such as da...[Details]
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On July 25 (this Monday), South Korean electronics giant Samsung began to deliver its first batch of 3nm GAA ring-gate transistor process chips to customers as scheduled. At the same time, in order t...[Details]
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On August 6, the State Grid Corporation of China Qinghai Walang Pumped Storage Power Station and Yushu Guoluo Second Circuit 330 kV Line Project and Dingzikou 750 kV Transmission and Transformation Pr...[Details]
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1 Introduction
The single-tube buck power supply shown in Figure 1 has a simple topology, but it is not easy to drive because the source potential of the MOSFET is not fixed. This article a...[Details]
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As of 23:00 on October 5, the number of China Mobile's 5G pre-booked users has reached 5.32 million, the number of China Unicom's 5G pre-booked users is 1.75 million, and the number of China Telecom'...[Details]
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Display the preset characters in a dot matrix in a marquee style (shift left) from left to right ;port 3.0~3.6 connect to column
;port 1.0~1.4 connect to row
;delay=0.2s
;==========
;= Main ...[Details]
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The transient control characteristics and output voltage load characteristics of the forward transformer switching power supply are relatively good. Therefore, the operation is relatively stable an...[Details]
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Electric vehicles have entered our lives with their advantages of convenient travel, low carbon and environmental protection, but the high failure rate of its chargers is a headache. For this reaso...[Details]
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The indication error of a measuring instrument refers to "the difference between the indication of the measuring instrument and the true value of the corresponding input quantity", the base error r...[Details]
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On the afternoon of February 20, market research firm IDC released an article today, giving the top ten predictions on the impact of the epidemic on the terminal market in 2020. IDC predicts th...[Details]
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According to Taiwanese media moneyDJ, Japan's semiconductor industry revitalization plan has been officially released. This plan will be promoted in three stages, of which the first round of measures...[Details]
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At present, photovoltaic power generation devices often suffer from unreasonable charging and discharging, resulting in many controller failures, short battery life, and troublesome maintenance, ...[Details]
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