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In recent years, large-scale public cultural facilities that are iconic to cities have been built all over the country, among which "grand theaters" are particularly popular, with theaters popping...[Details]
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At present, mobile phones generally use white light LED as the backlight element of the display screen, and the corresponding white light LED driver has become an indispensable IC in the design of mob...[Details]
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In LED lighting systems, adding circuitry to improve PFC response time can help eliminate flicker caused by rapidly changing AC input voltage. If the power factor correction (PFC) block does not resp...[Details]
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On the afternoon of December 14, technology company OPPO held a two-day "OPPO Future Technology Conference 2021" in Shenzhen. The protagonists of today's conference are self-developed chips and a n...[Details]
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For USB device and system designers, successfully passing compliance testing is critical to ensuring conformance and interoperability. Each variant of USB has its own compliance test specification. T...[Details]
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It depends on whether you are measuring leakage between wires or between wires and the earth. Set the pointer to 10k, turn off all the switches on the line, unplug all electrical appliances from the ...[Details]
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Micron Technology Inc., a supplier of memory and storage solutions, has released its fifth annual sustainability report. In the report, Micron reiterated its vision to enrich people's lives by changi...[Details]
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GoPro, once the king of sports cameras, is not doing well these days. Speaking of GoPro, everyone is familiar with it. In the early years, the participants of skydiving and bungee jumping on TV pro...[Details]
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Xiaomi’s official Weibo account just announced that it will hold a new product launch conference for Xiaomi 10 Youth Edition 5G & MIUI 12 at 2 pm on April 27. Judging from the official post...[Details]
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Reference document: nandflash boot of s3c2440 guess_flash: #define BWSCON 0x48000000 ldr r4, =BWSCON ldr r6, ands r6, r6, #0x6 mov r6, r6, LSL#4 ldr r5, =GPBDAT str r6, bl g...[Details]
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In ARM, exception A is a hardware concept. In Linux, exception B is a software concept Linux exception classification Whether the arm exception is used yes Some of them take advantage of ar...[Details]
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The single chip microcomputer source program for controlling the 28BYJ-48 stepper motor driver is as follows: #include reg52.h #include intrins.h unsigned char CCW ={0x80,0xC0,0x40,0x60,0x20,0x...[Details]
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In recent years, as the production capacity of domestic panel manufacturers has been gradually released, the OLED industry is in a period of rapid growth, driving the continuous increase in demand in...[Details]
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1 Introduction
The parallel operation of inverter power supplies can not only realize power synthesis, but also easily form a building block, redundant, and intelligent distributed hig...[Details]
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On September 12, Yu Xiaohui, president and deputy secretary of the Party Committee of the China Academy of Information and Communications Technology, said that in the first half of 2021, the world ex...[Details]
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