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Open source is everywhere, its use needs to be managed In recent years, open source software has developed rapidly and gradually become a mainstream technology in the fields of mobile Internet, clo...[Details]
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The first quarter of 2022 may be the second cold winter for mobile phone manufacturers amid the epidemic. Industry research organization Counterpoint released a report stating that China's smartpho...[Details]
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According to foreign media reports, researchers from the University of Surrey, the National Physical Laboratory and University College London have developed a new technology that can make solid elect...[Details]
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Course Project Topic: Traffic Lights
Course design task: Use the timer of the single-chip microcomputer to make the traffic lights at the intersection light up and go out alternately, and use LED ...[Details]
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On the afternoon of March 29, Chen Xianqing, Secretary of the Shaowu Municipal Party Committee of Fujian Province, visited the Suzhou headquarters of Kerun Group.
Accompanied by Dr. Yang Dawei...[Details]
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OnePlus will launch products such as OnePlus Nord CE 2 Lite and Nord Buds overseas on April 28. In addition, there are reports that the brand is developing the OnePlus 10R, the successor to ...[Details]
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Servo control system and servo drive are two different concepts.
Servo control system refers to a control system composed of multiple parts, including motion controller, servo motor, driver, e...[Details]
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In recent years, Lufeng City has accelerated the development of the vanadium-titanium industry with the market as the guide and science and technology as the support. A new vanadium-titanium industry ...[Details]
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AK001 power adapter is a power adapter for BBK DL917 portable DVD player. The power supply is composed of a switching power supply circuit, as shown in the figure below:
...[Details]
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Abstract: There are many ways to achieve wireless data communication. The currently popular ones are Bluetooth technology and infrared communication technology. IrDA infrared communication is a ...[Details]
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NAND flash memory chip prices have fallen for six consecutive quarters, and upstream manufacturers are complaining bitterly, but downstream manufacturers and consumers have finally breathed a sigh of...[Details]
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First picture
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Program effect: The single-chip microcomputer simulates the traffic light control program, and the rules are as follows: when the north and sou...[Details]
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The difference between an audio processor and an amplifier
Audio processor and power amplifier are two different components in an audio system, and they have different functions and roles.
...[Details]
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STMicroelectronics has launched a pressure sensor that can accurately measure the altitude of portable devices such as mobile phones. The launch of the new sensor means that mobile devices can not ...[Details]
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In the design of the driver, we may use flush_cache_all to flush the contents of the ARM cache to the RAM, because the cache in ARM Linux is generally set to write back. Usually, DMA cannot access ...[Details]