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Mass spectrometer is a commonly used detection instrument, which is mainly divided into isotope mass spectrometer, inorganic mass spectrometer, organic mass spectrometer, etc. Users need to master the...[Details]
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Introduction Power conservation is the primary factor to consider in various battery-powered devices. To prevent users from forgetting to shut down, some devices use automatic shutdown circuits. In...[Details]
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For the STC89 series microcontrollers in PQFP-44 and PLCC-44 packages, 4 I/O ports P4 are added. The address of P4 port in the special function register is E8H, which can be bit addressed. Users ne...[Details]
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It is reported that following the 136-layer sixth-generation V-NAND flash memory launched last year, Samsung is currently developing 3D flash memory with 160 layers and above, which will become the b...[Details]
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Apple began to develop a patent for a smart ring as early as 2015 and approved an application for a related patent in October last year. According to its patent description, this is a ring-shaped dev...[Details]
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Recently, the movie "The Wandering Earth 2" was released, and the audience was dazzled by the magnificent scenes and the technological scenes. Behind the rise of Chinese...[Details]
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ON Semiconductor (NASDAQ: ON), driving energy efficient innovation, and AImotive have announced a collaboration to develop a sensor fusion prototyping platform for automotive applications. The co...[Details]
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The circuit in this example converts a negative pulse into a positive pulse. Although this task may seem simple, the amplitude of the negative pulse is -5V~-2V. The positive pulse also requires di...[Details]
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With the continuous development of the four modernizations of automobiles, the global automobile industry is at a critical moment of historic change unseen in a century, and new energy intelligent co...[Details]
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// HSI is a 16MHz clock, with a default frequency division of 8 // CLK_CKDIVR controls the HSI's own division value and the CPU's division value void Clock_Init(void) { while(!CLK_ICKR_HSIRDY) //...[Details]
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1. First, HSE_VALUE in stm32f10x.h #if !defined HSE_VALUE #ifdef STM32F10X_CL #define HSE_VALUE ((uint32_t)12000000) //Change to 12MHz here // #define HSE_VALUE ((uint32_t)25000000) /*...[Details]
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From the figure, we can draw the conclusion: AC-AC: positive and negative are not connected. Positive-negative: negative to positive is connected, but positive to negative is not connected. AC-positi...[Details]
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At the 2019 (and 7th) IMT-2020(5G) Summit held today, Wang Zhiqin, leader of the IMT-2020(5G) Promotion Group, said in his speech that this year's key work will promote the development of terminal ch...[Details]
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TSMC executives said at a press conference held in Yokohama, Japan last Friday (June 30) that they would not rule out the possibility of producing advanced chips in Japan in the future, and said that...[Details]
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#include linux/module.h
#include linux/kernel.h
#include linux/errno.h
#include linux/string.h
#include linux/mm.h
#include linux/slab.h
#include linux/vmalloc.h...[Details]
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