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If walkie-talkie products are to be sold in the EU market, they must pass CE certification. The main test contents include RF (radio frequency), EMC (electromagnetic compatibility), Safety (safety...[Details]
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According to Jiwei.com, from the beginning of August to now, the stock prices of the entire semiconductor sector have been in a correction state, and the stock prices of many semiconductor concept st...[Details]
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Previously, Korean media reported that as production capacity issues are gradually being resolved and in order to reduce corresponding technical costs, Samsung is about to make its folding phones, wh...[Details]
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1. Menuconfig operation • The Linux compiler uses the .config file to confirm which code is compiled into the kernel and which is cut. • menuconfig is a tool for generating .config. • During the de...[Details]
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Recently, Morgan Stanley, an overseas financial institution, released a report on Apple iPhone's "Installation Base Share Growth" in China in July. The report shows that this growth is the second sin...[Details]
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The Federal Communications Commission (FCC) of the United States has introduced a series of test requirements for various mobile transmitters. These mainly include the corresponding regulations an...[Details]
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introduction
The interference generated by the switching power supply can be divided into spike interference and harmonic interference according to the type of noise interference source; if...[Details]
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(Here I take the beep driver as an example)
Method 1: Dynamically add (not recommended)
First download or find the driver, one is a .c file and the other is a Makefile (note that the comm...[Details]
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Last time we turned on the LED. You may have tried to replace LED_RED with other lights, or you may have used led_on() to turn on all LEDs at once. But after the LEDs were turned on, the program exit...[Details]
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At a technical communication meeting held by Samsung in Beijing, Zhang Daijun, director of Samsung China Research Institute, shared Samsung's technological accumulation and product commercialization ...[Details]
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Introduction Since the advent of the average velocity tube flowmeter in the late 1960s, it has been continuously improved (known abroad as Annubar, Verabar, Probar, Torbar, Itabar, Preso, Deltabar,...[Details]
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Today's experiment uses the FIFO interrupt of UART0~~ Receive data sent from the virtual terminal~~ Here the depth is set to 8~~ Then send it back~~ But~~I can't send it back~~Fuck~~ Let's leave this...[Details]
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What is CRC? CRC stands for Cyclic Redundancy Check: It is the most commonly used error checking code in the field of data communication. Its characteristic is that the length of the information fiel...[Details]
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Removing fog from videos and improving image quality is a key technology to enhance the value of outdoor video surveillance systems. This paper analyzes defogging technology by establishing a rela...[Details]
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On November 6, Tianfeng Securities analyst Ming-Chi Kuo published a blog post on Medium yesterday (November 5), deeply analyzing the causes and consequences of Intel's Lunar Lake failure.
IT H...[Details]
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