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At present, the business model of terminal brands entrusting product processing and manufacturing to EMS companies is becoming more and more common. Compared with other fields, electronic products ha...[Details]
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As a light source, dimming is very important. Not only to create a more comfortable environment at home, but also to reduce unnecessary electric light to further achieve the goal of energy conserva...[Details]
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Powerful clock interrupts
In the design of single-chip microcomputer programs, setting a good clock interrupt will enable one CPU to play the role of two CPUs, greatly facilitate and simplify t...[Details]
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The design of PLC control system pays great attention to steps and procedures. It is a systematic project. In order to be proficient in design, it is necessary to practice repeatedly. This article ...[Details]
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Abstract: Half search uses a jumping method to first compare the "middle value" in the sequential sequence with the query value, and then determines the area of the searched number based on wh...[Details]
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The DLP technology patent was first developed by Texas Instruments (TI), and its main module is the digital micromirror device (DMD). In recent years, TI has been investing a lot of manpower and mate...[Details]
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Patent is generally the abbreviation of patent right. Patent protection has time and geographical restrictions. China's Patent Law divides patents into three types, namely invention, utility model...[Details]
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油量交接具连续性、交接量大特点，原油一般呈流体或半流体状态，具有可微压缩性。同其他流体一样，温度变化势必引起体积变化，原油可微压缩性又决定压力对体积影响不太显著。在流量计检定工作中温度同样是影响流量计系数变化的主要因素，压力虽有影响，但和温度相比较小。无论大小，都直接关系到交接双方经济利益，这些问题应该引起我们从事计量交接工作人员的足够重视。 一、温度和压力对油量计算的影响 （一）温度对油量计...[Details]
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According to foreign media reports, a new OPPO mobile phone appearance picture appeared in the patent library of the European Union Intellectual Property Office (EUIPO) today. Its appearance is quite...[Details]
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ATMEL's TWI and PHILIPS's IIC are basically the same thing, but they are different in name, so no one has to pay the other for usage. Their agreements are the same, so as users, we can simply th...[Details]
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Single-stage CrM TRIAC dimming LED driver design using NCL30000
In order to promote energy conservation, government agencies or regulatory organizations around the world have establis...[Details]
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#include
#include
#include
#include
#include
#define FOSC 8000000 //MCU working clock frequency
typedef unsigned int uint16;
typedef unsigned char uchar8;
uchar8...[Details]
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Overview
Modern RF instruments have impressive measurement capabilities and accuracy that far exceed those of their predecessors. However, these instruments cannot reach their full potenti...[Details]
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Control board power supply: flyback switching power supply, output 4 sets of independent power supply
Drive mode: 250 power drive optocoupler, +15V, -3.3V negative voltage
Can drive IGBT:...[Details]
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introduction With the improvement of living standards, people have higher and higher requirements for material life, and pay more attention to residential security issues. With the development of bio...[Details]
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