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NXP Semiconductors N.V. has announced a comprehensive Wi-Fi 6 (802.11ax) portfolio, significantly expanding the number of products and markets that can adopt the latest Wi-Fi standard. NXP’s expanded...[Details]
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Hardware platform: tiny4412 System: linux-4.4 File system: busybox-1.25 Compiler: arm-none-linux-gnueabi-gcc (gcc version 4.8.3 20140320) Uboot: Friendly built-in uboot This section modifies the devi...[Details]
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On February 12, Yongxing Materials stated on its investor interaction platform that the company is stepping up construction of the second phase of a 20,000-ton annual battery-grade lithium carbonate ...[Details]
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The TMS320C3X series chip is the first-generation floating-point DSP chip launched by the American TI Company. It has a rich instruction set, high computing speed, large address space and high cost...[Details]
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1. First, you need to write u-boot to the SD card and boot from the SD card.
Use a card reader to insert the SD card into the computer, use umount to unmount the USB drive, and fdisk -l s...[Details]
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Abstract: Recently, a customer who makes inverters asked about power factor measurement. The customer wanted to know under what load conditions the power factor of the inverter should be measured, ...[Details]
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According to Korean media TheLec: Samsung's models for next year have been finalized, and 31 of the 64 models use chips from Qualcomm. Only the Galaxy S22 series will use the Exynos 2200 in som...[Details]
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As the project manager of two substations in the Rongdong area of Xiongan New Area and three supporting power grid projects for the Xiongan High-speed Railway traction station, Jin Xiaoming was p...[Details]
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Stereo amplifier, the principle/selection/function of stereo amplifier
The basic principle circuit of stereo amplifier
Figure 1 is a principle circuit of a stereo audio amplifier. When analyzing...[Details]
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Anesthesia depth monitoring is not only important for improving anesthesia quality and ensuring surgical safety, but also for reducing anesthesia complications and controlling the dosage of anesthe...[Details]
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1 Basic working principle of LED power supply The BUCK converter and IPD control are used to realize the switching power supply, output constant current and voltage, and drive the LED lamp. The over...[Details]
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According to foreign media reports, on Wednesday local time, the UK Supreme Court rejected the appeals filed by Huawei and ZTE against Unwired Planet International and Conversant Wireless Licensing r...[Details]
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According to the Wall Street Journal, IBM said in a statement on Thursday local time that it will lay off employees in at least five states in the United States. The company did not disclose the spec...[Details]
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1. Use P1.0-P1.3 of AT89S51 microcontroller to connect four light-emitting diodes L1-L4 to indicate the current counting data; use P1.4-P1.7 as the input terminal of preset data and connect four dial...[Details]
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Use rpm -qa | grep nfs to check whether the tftp server is installed
yum install nfs
1. Server installation:
1.setup
2.System Services
3. Check *nfs
4.service nfs res...[Details]
MicroPython Open Source section
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