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The power amplifier, commonly known as the "loudspeaker", is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source (from the mixing con...[Details]
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In a recent interview, Ren Zhengfei said that most of Huawei's employees have returned to work after the outbreak of the new coronavirus epidemic. It is reported that Ren Zhengfei said in the lates...[Details]
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1. Experimental Tasks
As shown in Figure 13, P0.0-P0.7 of the P0 port of the AT89S51 microcontroller is connected to the a-h segments of a common cathode digital tube, and the common end of the...[Details]
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How much does arc welding cost?
At present, more and more companies are beginning to choose automatic welding robots for production. The price of arc welding robots is generally around 30,000-...[Details]
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2019 is coming to an end. For automobile manufacturers, this year's automobile technology presents a situation of "a battle of gods". Whether it is automobile safety or charging technology, there ...[Details]
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1. Structural analysis
The S3C2410 processor integrates an 8-bit NandFlash controller. Currently, the common 8-bit NandFlash on the market include Samsung's k9f1208, k9f1g08, k9f2g08, etc. The ...[Details]
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The antenna is the ear of FM DX. The weak radio waves from the antenna pass through the feeder and enter the receiver, so that we can hear the sound of the distant radio station. The antenna accou...[Details]
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1. Device name and model Thermal conductivity tester 2. Principle The sample is placed between the hot end and the cold end under a stable heat transfer state. The thermal resistance and thermal co...[Details]
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"Continuing to explore chemical systems with higher energy density to reduce the cost per unit watt-hour is the long-term development direction of large cylindrical batteries in the future, and is al...[Details]
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In single-chip computer systems such as digital clocks, some timers and calendar clocks, when the main power supply DC5V is lost, it is called power failure. After power failure, the single-chip ...[Details]
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When playing with STM32, J-LINK emulator is good, but J-Link is expensive. Fortunately, STM32 has its own bootloader, which can download programs through the serial port. I think the serial port down...[Details]
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With the introduction of entry-level and high-end smartphones, consumers have more choices, and tablet computers are becoming smaller and cheaper, which has stimulated global market sales records t...[Details]
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The new service will accelerate workflows based on common scenario descriptions and the development of digital twins and.
NVIDIA today announced major progress in its Universal Scene Descripti...[Details]
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With the continuous development of modern electronic technology, especially human-machine interface technology, touch buttons are increasingly widely used in electronic products and handheld inst...[Details]
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Watchdog timer, in the embedded field, some devices need to work in some extreme environments, that is, places where people rarely go or are difficult to go. In the long-term operation, it is inevi...[Details]
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