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Although Samsung's first foldable phone, the Galaxy Fold, has not yet been officially launched, rumors about its next generation product have already appeared. According to The Bell Korean media, the...[Details]
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The positive and negative poles of a crystal diode can be identified by the following methods:
1. Look at the symbol on the shell: Usually the diode shell is marked with the symbol of the ...[Details]
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This article will introduce you to a home automation system that can easily control lights, fans, and other home appliances through voice commands using NodeMCU and Relay modules.
In thi...[Details]
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How to overcome the stroboscopic effect of fluorescent lamp circuit
As shown in the figure, three fluorescent lamps of the same specifications are connected to the three-phase power sup...[Details]
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Xiaomi Group’s first-half 2019 results were released. Both its two core businesses, mobile phones and AIoT, as well as other businesses, showed positive growth. However, the company’s stock price tre...[Details]
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China Energy Storage Network:
Energy used to be a rather boring industry. For more than a century, the energy industry's proven success model has been to drill, mine, produce and consume more...[Details]
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HT366/HT328/HT338 latest 20W, 30W, 50W dual-channel Class D power amplifier IC series introduction Class D power amplifier refers to Class D audio power amplifier. By controlling the ON/OFF of ...[Details]
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Crystals have an amplifying effect, which is determined by their internal structure. First, the concentration of impurities doped in the emitter region is relatively high, which is conducive to injec...[Details]
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1 Introduction
Wireless sensor network is a wireless network composed of a large number of sensor nodes distributed in the monitoring area. Due to its rapid deployment, strong anti-destruction, h...[Details]
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Uboot version: u-boot-2013.01 Development board: FS_4412 platform (Exynos4412, you can modify it according to your own board, as long as it is 4412, the process is the same) 1. Build your own pla...[Details]
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Ziguang Guwei issued an announcement stating that in order to enhance its core competitiveness and profitability, the company plans to publicly issue convertible corporate bonds (hereinafter referred...[Details]
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In the context of economic globalization, mainland China has taken over the transfer of the global LED packaging industry. At the same time, benefiting from cost advantages and strong downstream prod...[Details]
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/************************************************** *Program name: MAX7219 C language control program *Program function: 3-wire serial control of 8-bit common cathode digita...[Details]
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1 Introduction
Interference generally enters the microcontroller system in the form of randomly occurring pulses , mainly from the alternating magnetic field and electric field coupling system fo...[Details]
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On October 31, the 200,000-kilowatt "source-grid-load-storage" integrated application demonstration project of Xitai, Qinghai Shaanxi Coal New Energy Technology Co., Ltd., was connected to the ...[Details]