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CCTV's "3.15" Gala exposed various fraudulent activities, and one of the sessions taught people how to identify whether LED lights have serious flickering problems. It was this session that caught th...[Details]
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For a system, there will be many peripherals, and the management of these peripherals is completed by the CPU. So how does the CPU find the peripherals in this process? Although there are many peri...[Details]
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ROHM develops high-precision, ultra-low power consumption, 40V compatible window-type reset IC* "BD48HW0G-C"
Provides energy-efficient and highly reliable voltage monitoring for auto...[Details]
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SCHURTER has expanded its EC12 series of power entry modules with a snap-on version.
The new version does not require a mounting flange, thus saving panel space. At the same time, the version...[Details]
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The main differences between fixed and portable ultrasonic flowmeters
(1) Different applicable occasions
Fixed ultrasonic flowmeters are used to be installed at a fixed location to meas...[Details]
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1 Introduction
Air pollution has caused harm to people's health. The exhaust gas emitted by motor vehicle fuel is one of the main causes of air pollution, especially in crowded cities. Coupled ...[Details]
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Common anode array 0~9: display ={0xC0, 0xF9, 0xA4, 0xB0, 0x91, 0xA2, 0x82, 0xF8, 0x80, 0x90} Common anode array A~F: display ={0x88, 0x83, 0xA6, 0xC1, 0x86, 0x8E} Common cathode array 0~9: display =...[Details]
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The hype over L3 autonomous driving has just subsided with Audi’s withdrawal from the competition, but calls for L4 have begun to rise. Recently, Volvo, which calls itself a "leader in the field of...[Details]
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Introducing a patented technology developed by ON Semiconductor to optimize the energy efficiency of power supplies over the entire load range, including light load efficiency. This technology...[Details]
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How to use inverter to control slip ring motor
The speed control of the slip ring motor can be realized by using a frequency converter. The frequency converter is a device that can adjust the ...[Details]
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Just recently, Internet TV ushered in a new round of price war. Xiaomi reduced the prices of its TV products by 100 to 500 yuan at the "Mi Fans Festival" on April 9. The prices of the 32-inch Xia...[Details]
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Accurately measuring RF power is one of the most challenging tasks in electronics test and measurement. Whether you are measuring an RF module in mobile communications, or in complex radar systems, b...[Details]
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Beijing time, June 4 morning news, according to reports, the chief economist of Natixis Asia Pacific said that the global chip shortage is plaguing multiple industries and has shown no signs of easin...[Details]
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On December 31, SMIC (00981.HK) issued an announcement that the company's independent non-executive director Dr. Cong Jingsheng has resigned from his position as the company's Category III independen...[Details]
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First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]