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1 Introduction Pulse measurement is a measurement to detect whether there is a pulse. When there is a pulse, the light is blocked. When there is no pulse, the light is highly transparent. The sens...[Details]
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According to foreign media reports, on March 14, Samsung SDI and Posco Group respectively announced plans to build solid-state battery production lines. Samsung SDI said it has started construction...[Details]
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Although there are many instruments for detecting heart rate at present, there are few portable full-digital heart rate measuring devices that can achieve accurate measurement, upload data to PC, and...[Details]
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MN series AC current probe comparison table. MN series current clamps are ergonomically designed, miniature, lightweight, and are used to measure low and medium currents from 10mA to 600A peak. The j...[Details]
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Do your video conferences often experience disconnections and voice delays? Are there only a limited number of participants? Are professional solutions deployed with high barriers to entry and high c...[Details]
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Apple's 2022 fall new product launch was held a week earlier than in previous years, but it was still held on time at 1 a.m. This launch brought the new iPhone 14 series, the reshaped AirPods Pro, ...[Details]
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1. Compilation error correction 1. Added in linux-2.6.35-rc3\arch\arm\mach-s3c2416\kconfig: config MACH_SMDK2416 bool "SMDK2416" select CPU_S3C2416 select S3C_DEV_FB ...[Details]
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//*f=6MHZ, timer 0 generates 100us timing in working mode 2 (auto-reload 8-bit timer mode) and query mode,
//And output a continuous square wave r with a period of 2s at P0.0 to control the LED light...[Details]
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In recent years, with the development of power electronics technology, static variable power supplies are increasingly widely used in the fields of industry, military, medical treatment, aerospace,...[Details]
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The keywords sent in serial communication are generally hexadecimal numbers, and the output data is also hexadecimal numbers. When there are negative numbers, special processing is required. There ar...[Details]
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I believe everyone has seen a digital tube. There are seven strokes abcdefg on the digital tube, which form the word "日", and usually there is a decimal point dp. Digital tubes come in different size...[Details]
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Your computer or device may only have an RS-232 port. If you want to conduct effective and reliable RS-485 or RS-422 communication, you need to choose the right RS-232/RS-485/RS-422 converter for you...[Details]
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1 Overall design The automatic guided vehicle (AGV) control system of the logistics center consists of three parts: AGV intelligent control module, monitoring module, and wireless network communicati...[Details]
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#include
#include
#define DD_SPI DDRB
#define DD_MOSI PB5
#define DD_SS PB4
#define DD_SCK PB7
unsigned char DispBuff = {0XC0,0XF9,0XA4,0XB0,0X99,0X92,0X82,0XF8,0X80,0X90}; //Common an...[Details]
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1-4-3. Calculation of energy storage inductance of parallel switching power supply The calculation of the energy storage inductor in the parallel switching power supply is basically the same as the n...[Details]