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introduction
The world is at the beginning of the next wave of rapid growth in high technology, and Dan Ganousis of AccelChip DSP has become the industry's recognized technology focus...[Details]
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We know that the maximum effective distance of the RSR232 serial port transmission protocol is 10M, and it is a wired transmission, which brings great inconvenience to some long-distance transmission ...[Details]
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1. Introduction
Railway transportation consumes huge amounts of energy, and the railway industry has a difficult task of energy conservation. How to make railway trains more energy-efficient i...[Details]
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The intermediate busbar architecture power system has become the mainstream of the current communication power system due to its advantages such as short design cycle, small impact between loads, and ...[Details]
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As an important tool for obtaining information, sensors play an important role in industrial production, science and technology and other fields. However, with the rapid development of microprocessor...[Details]
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On October 7, the China Chemical and Physical Power Sources Industry Association issued a notice to publicize and solicit opinions on the association's group standard "General Specifications for So...[Details]
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In addition to the Samsung Galaxy Fold, Samsung's other flagship product, the Samsung Note10, has also gradually surfaced. As one of Samsung's flagship products in the second half of the year, it is ...[Details]
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Jiwei.com reported on May 20 that today Lenovo Legion Gaming Phone 2 Pro launched a large memory version, 16GB+256GB priced at 4799 yuan, 18GB+256GB priced at 5299 yuan. The first trial price of 16GB...[Details]
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At present, the mainstream brands of spectra in the market include imported Agilent, Thermo, Perkin Elmer, Shimadzu, etc., and domestic ones include Puxi, Beifen Rayleigh, etc. It mainly depends on w...[Details]
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1. Background
As shown in the figure below, when we speak or sing into a microphone, the sound is transmitted to the amplifier through the microphone and amplified. Under normal circumstances,...[Details]
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1. First look at the stm32 startup mode The boot mode of stm32 is determined by the boot0 and boot1 pins of the 32 chip. It is divided into embedded flash boot mode (normal boot mode), memory boo...[Details]
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The following three players want to occupy the "first" position in your heart. Let's see which one can impress you more? They are FS1=2MHz, FS2=100kHz, and FS3=500kHz.
So the question is...[Details]
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Light Emitting Diode (LED), as a new generation of green and environmentally friendly solid lighting source, has become the focus of people's attention. It has a series of advantages such as low po...[Details]
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State Grid Corporation of China recently issued Document No. 1 of 2020, "Opinions of State Grid Corporation of China on Comprehensively Deepening Reforms and Striving for Breakthroughs" (hereinafte...[Details]
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The HAL part of STM32F4xx already provides the SD driver, and the IO PINs during initialization are placed in HAL_SD_MspInit. void HAL_SD_MspInit(SD_HandleTypeDef *hsd) { GPIO_InitTypeDef GPIO_In...[Details]
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