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On the basis of ensuring the safe operation of the instrument, we strive to improve the accuracy and energy saving of the instrument. To this end, we should not only select display instruments that m...[Details]
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1. Check the schematic diagram to determine the IO port that needs to be controlled
Open the schematic diagram and determine that the IO ports to be controlled are GPF0, GPF2, GPG3, and GPG11....[Details]
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Tokyo Electron, the world's third largest and Japan's largest supplier of semiconductor manufacturing equipment, released its performance forecast for fiscal year 2022 (April 2021-March 2022) on the ...[Details]
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Intelligent robot
systems
with artificial intelligence and
machine vision
as core technologies
are subverting the traditional manufacturing landscape, and
the dawn of
the Industri...[Details]
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1 Introduction Massive MIMO (massive antenna) technology is one of the key technologies of 4.5G/5G, and global communications operators are paying close attention to Massive MIMO technology. China Mo...[Details]
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The following drivers are applications of SPI2 static void MMC_SPI_Config(void) { SPI_DeInit(); GPIO_Init(GPIOC, GPIO_PIN_2, GPIO_MODE_OUT_PP_HIGH_FAST); GPIO_Init(GPIOC, GPIO_PIN_4, GPIO_MODE_I...[Details]
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Bacterial suspension preparation 1.1.1 Instruments Mask bacterial filtration efficiency (BFE) tester, high-pressure steam sterilizer, electronic balance, biochemical incubator, ultra-clean workbench,...[Details]
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Based on recent trends, improving efficiency has become a key goal, and the trade-off of using slow switching devices for better EMI is not worth it. Superjunction can improve efficiency in appli...[Details]
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AT89S51 Overview AT89S51 is a low-power, high-performance CMOS 8-bit microcontroller. It contains 4k Bytes ISP (In-system programmable) Flash read-only program memory that can be repeatedly erase...[Details]
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Different places have accumulated certain experience in equalizing charging of battery packs, but it is difficult to master it properly. Long-term non-equalizing charging or frequent equalizing cha...[Details]
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【Reference】Wei Dongshan's teaching notes
1. Program framework
1.1 Touch screen:
main press thread, sent to display process through socket
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Package ev...[Details]
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1. TIMER STM32 Block Diagram As shown in the figure: 1 is the clock source ● Internal clock (CK_INT) ● External clock mode 1: external input pin (TIx) ● External clock mode 2: External trig...[Details]
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1. Comparison of high frequency characteristics of magnetic amplifier cores:
2. Commonly used typical circuits and basic adjustment principles of magnetic amplifiers:
Swit...[Details]
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Mobile power supplies bring convenience to our lives, but some incorrect operations in daily use and storage of mobile power supplies will prematurely end the life of the lithium batteries inside. Th...[Details]
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Abstract: When designing a new AC purification power supply, it is necessary to study the relationship between the equivalent inductance L and the thyristor firing angle θ. This article explores...[Details]
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