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In recent years, the importance of ArcGIS technology to meteorology has been widely accepted. The US National Weather Service uses ArcGIS for weather services and weather information releases on th...[Details]
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Current expansion circuit with protection
As shown in the figure, the protection resistor R3=Vpf/I in the circuit is calculated, where Vnv is the base-emitter voltage of transistor VT2. It can ...[Details]
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On May 9, Huawei's Hongmeng OS official website showed that the second phase of the Hongmeng OS 2.0 developer Beta public beta has been launched. New models include: Huawei nova 6, nova 6 5G, nova 7 ...[Details]
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For example, to write a delay function with a delay of 10ms: (12M crystal oscillator) void delay_10ms() { unsigned char i,j,k; for(i=5;i 0;i--) { for(j=4;j 0;j--) ...[Details]
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Discussed below is a simple hum filter circuit which can be installed between the audio input source and the power amplifier so that any possible power supply hum frequencies in the audio signal ar...[Details]
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On November 22, the signing ceremony of the cooperation agreement between Xichuan Beijing Jinyang Vanadium Co., Ltd. and Dalian Rongke Energy Storage Group Co., Ltd. was held in Xichuan County. Liu Ya...[Details]
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Today, Honor Mobile's official Weibo account announced a good news, that is, it took only 14 days for the Honor 20 mobile phone to exceed 1 million sales in China, breaking the fastest sales record o...[Details]
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NXP introduces first automotive-grade security chip with NFC and wired interface for keyless entry smart fobs and security applications, helping to make connected cars safer Shanghai, China - A...[Details]
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Ultrasonic flowmeter is an instrument that measures flow by detecting the effect of fluid flow on ultrasonic beam (or ultrasonic pulse).
According to the principle of signal detection, ultrasonic...[Details]
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This Design Idea provides two simple, inexpensive drivers for headphones and audio lines, as shown. These drivers are designed for electric guitar and violin, but can be used in many other applicat...[Details]
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The STC12C5A60S2 microcontroller is a powerful microcontroller. It has two full-duplex serial communication interfaces. The functions and operations of serial port 1 are the same as those of the trad...[Details]
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1. Why spend time on "hesitation"? Experience summary: Whenever we get started (ARM is like this, DSP is the same), there will always be many questions and concerns. We are eager to know w...[Details]
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After the release of the new WiFi 6 standard, related products have also begun to be launched on the market. However, the early Wi-Fi 6 routers were priced at thousands of yuan, which made many users...[Details]
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X-CUBE-STL currently supports STM32MP1, STM32U5, STM32L5, STM32H5 and STM32WL. In fact, this largest general-purpose microcontroller product family is still expanding, and more products will ...[Details]
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This system uses a single-chip microcomputer as the main control chip, ISD4004 as a voice recording and playback chip, and cooperates with related peripheral circuits and control switches to achiev...[Details]
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