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Shanghai Chengwei is suitable for testing the water barrier properties of Band-Aids, bandages, medical tapes and other materials of any shape, form or specification that directly contact the wound su...[Details]
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Total Station Total station, also known as total station electronic distance meter (Electronic Total Station), is a high-tech measuring instrument integrating optics, machinery and electricity. I...[Details]
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A brief discussion on the causes and diagnosis methods of analog circuit failures
Abstract: With the increasing integration of circuit systems, the fault cost in analog circuits accounts f...[Details]
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1. File I/O Overview:
(1) Text file
(2) Spreadsheet file
(3) Binary file
(4) Data record file
(5) Waveform file
2. File operation
(1) Open/create a file;
(2) Read and write files;
(3) Close f...[Details]
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I was bored and made some fun stuff at home recently. I needed a module to drive a speaker to play a reminder sound. I initially bought the WT588DM01 because it came with 8M Flash and was worry-free....[Details]
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1. The difference between differential pressure gauge and pressure gauge - different uses: Differential pressure gauge measures the pressure difference between two points, testing the pressure differ...[Details]
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As cars become more and more like smartphones, various applications and functions have appeared on the larger and larger central control screens in the cars. Some smart car companies have seen t...[Details]
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#include REGX52.H #include stdio.h #include "LCD.H" #include "18B20.H" #include "delay.h" sbit k1=P3^5; sbit k2=P3^6; sbit csb=P2^5; sbit csbint=P3^2; sbit bg=P2^6; sbit fmq=P3^3; unsign...[Details]
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1. Magnetic speaker (reed speaker)
Magnetic speakers are also called "reed speakers". In the structure of magnetic speakers, there is an electromagnet with a movable iron core between the ...[Details]
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With the development of China's economic construction, the development and utilization of energy have become increasingly tense. Since March, many places in China have experienced "power shortages" in...[Details]
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1 Introduction
One of the key technologies of EDA (electronic design automation) is to use hardware description language (HDL) to describe circuit systems, including circuit structure, behavior, log...[Details]
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5G is coming, and the new generation of Wi-Fi technology is also accelerating its implementation. Recently, the Wi-Fi Alliance announced the launch of the Wi-Fi 6 (802.11ax) certification program to ...[Details]
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Direct reading spectrometer is a precision instrument combining light and electricity. Correct use and maintenance are the key to the normal operation of the machine, extending its service life, a...[Details]
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As the TWS Bluetooth headset market grows rapidly, it attracts more brand manufacturers to invest and launch more products, making TWS products a hot topic. Compared with other headphone products t...[Details]
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CATL
has launched the Xiaoyao
battery
designed specifically for extended-range electric vehicles and plug-in hybrid electric vehicles
. The pure electric range of extended-range elect...[Details]
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