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With the development of processors, IAP upgrade is becoming more and more popular. There are many ways to upgrade IAP, such as: upgrade via serial port, GPRS remote upgrade, SD card upgrade, etc. Here...[Details]
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The photovoltaic industry is never short of new records, and this time it broke the highest issue price of A-shares in history.
The media learned that on December 7, the domestic micro photovo...[Details]
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At present, the driving current of many power LEDs reaches 70 mA, 100 mA or even 1 A, which will cause heat accumulation inside the chip, leading to a series of problems such as wavelength drift, redu...[Details]
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In high-speed design, the characteristic impedance of controlled impedance boards and lines troubles many Chinese engineers. This article introduces the basic properties, calculation and measuremen...[Details]
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On March 16, 2021, Qualcomm Incorporated (NASDAQ: QCOM) announced today that its subsidiary Qualcomm Technologies, Inc. has completed the acquisition of NUVIA, a world-class CPU and technology design...[Details]
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ZL2008 is a digital DC/DC power controller with integrated 3A MOSFET driver. The current sharing feature allows multiple devices to be connected in parallel to power the load to meet higher current...[Details]
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The calculation of the energy storage inductor of the parallel switching power supply is also analyzed from the perspective of the current flowing through the energy storage inductor being in the cri...[Details]
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This article proposes an open topic with exploratory significance. It mainly focuses on the IPv6 protocol technology and considers the architectural features of the IPv6 network built under this prot...[Details]
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Researchers at MIT recently announced a new method for making solar cells - "printing" solar cells on paper or textiles. The traditional production method requires high temperatures of several ...[Details]
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The leakage current tester is designed according to international and domestic safety standards such as IEC, ISO, BS, UL, JIS, etc. It is suitable for testing the safety leakage current of various ...[Details]
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Restart the computer and enter grub rescue mode directly. The display after restart is
GRUB loading
error: no such partition
grub rescue
I can't even get into XP, do you know...[Details]
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Akamai Named a 2023 Gartner® Peer Insights™ Customers’ Choice for Cloud WAAP
Gartner® Peer Insights™ Customers' Choice designation is based on feedback and ratings from end-user prof...[Details]
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On January 25, General Motors and Honda Motor announced that their joint venture, Fuel Cell System Manufacturing (FCSM), has officially started production of hydrogen fuel cells, which will be used ...[Details]
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High-voltage soft start cabinet is a device used for high-voltage motor starting. Its main function is to reduce the current impact when the motor starts and extend the service life of the motor. T...[Details]
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