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What is a line array speaker?
Line array sound is a speaker system. Its technology and manufacturing have been developing steadily for many years. Recently, the situation has changed. Linear a...[Details]
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Recently, Shanghai Silicon Industry disclosed the results of its private placement. The company issued approximately 240 million A-shares to specific objects, with an issue price of 20.83 yuan per sh...[Details]
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Resistance, the resistance of a substance to electric current is called the resistance of the substance. A substance with low resistance is called an electrical conductor, or conductor for short. A su...[Details]
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According to the latest report released by market research firm Strategy Analytics, global 5G smartphone shipments surged in the first quarter of 2020, exceeding 24 million units. From the manufact...[Details]
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Power transformer structure diagram
Main structure of transformer
The transformer mainly consists of: iron core, winding, oil tank, accessories, etc.
Silicon ...[Details]
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On September 7, 2019, AstraZeneca, a global biopharmaceutical company, attended the World Internet of Things Expo (hereinafter referred to as "IoT Expo") for the fourth consecutive year. Through six ...[Details]
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On December 22, Yaguang Technology issued an announcement stating that its holding subsidiary Chengdu Yaguang Electronics Co., Ltd. recently signed the "2021 31st World University Summer Games Event ...[Details]
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ARM multitasking and system clock
1. Experimental purpose
Learn the system time related API functions and use semaphores to solve the synchronization problem between uCOS-II processes, ...[Details]
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The timing function is very commonly used. It can be said to be a necessity, but it can also be said to be a pain point for many people. To create the LED flashing effect, you need to use timing, key...[Details]
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IGBT has large turn-off loss; tailing is a serious obstacle to high-frequency application. This problem consists of two aspects: 1) The problem of charge storage in the base region of GTR, the do...[Details]
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I. Introduction
In recent years, with the continuous development of semiconductor technology, LED, as a new type of light source with low power supply voltage, low power consumption, long lif...[Details]
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Ripple is a core indicator of power supply, but how to accurately measure ripple is indeed a widely ignored issue. Maybe you think it is just AC coupling of the oscilloscope and then point the probe ...[Details]
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When you first take over STM32, you only write one
int main()
{
while(1);
}
BUILD://Program Size: Code=340 RO-data=252 RW-data=0 ZI-data=1632
After compiling, you will find that suc...[Details]
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I transplanted uboot and burned uboot.bin into norflash, but rewrote the environment variables. When I used printenv to check, the environment variables changed, but the environment variables could n...[Details]
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CAN bus (Controller Area Network) is a local area network technology used in the field of automobile and industrial automation, with advantages such as real-time, reliability, flexibility and cost-...[Details]
Analog electronics
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