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Soft starter is a novel motor control device that integrates motor soft start, soft stop, light load energy saving and multiple protection functions. It is called Soft Starter abroad. Its main comp...[Details]
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The rapid application of power electronics technology has made the impact of various nonlinear loads on power systems increasingly serious. Three-phase four-wire power systems are common in factories...[Details]
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1: Write and compile to generate .hex file #include reg52.h sbit led = P0^0; //Connect the light-emitting diode to pin 0 of P0 void main() { led = 0; //The circuit connection method is: set the...[Details]
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The PCB schematic is as follows. I remember it was drawn with protel at that time. The circuit schematic is as follows: Drawing software is the same as above Experiment reference C language code ...[Details]
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The widespread application of intelligent voice control technology in the power industry is an inevitable trend in the development of smart grids. In the future era of the Internet of Things, the int...[Details]
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introduction
Track plotter (hereinafter referred to as track plotter) is a very important navigation equipment, which is used to automatically calculate the position of the ship and automatica...[Details]
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On the afternoon of May 3, Lu Weibing, partner of Xiaomi Group, president of China and International Division, and general manager of Redmi brand, talked about the plight of the gaming phone industry...[Details]
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According to the Science and Technology Innovation Board Daily, at the "Huawei Developer Conference" held in Songshan Lake, Dongguan today, Wang Chenglu, President of Huawei Consumer Business Softwar...[Details]
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In the tide of mobile Internet, ARM has counterattacked and become the king, while Intel, the giant of the computer chip era, has been slow to respond and has become marginalized. Recently, Intel Pre...[Details]
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The problem of surface damage detection
Accurate and rapid detection of surface defects of parts is directly related to product quality. If unqualified products are not removed in time, it wi...[Details]
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The combined
LED dot matrix
display
uses light-emitting diodes as pixels. It is made of
high-brightness LED
chips in an array and then encapsulated with epoxy resin and mold. ...[Details]
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#include "timer.h" #include "led.h" ////////////////////////////////////////////////////////////////////////////////// //This program is for learning purposes only and may not be used for any othe...[Details]
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From the "ZTE case", "Meng Wanzhou case", "Fujian Jinhua case", to the "Huawei case", "TikTok case", and even the "Shenzhen Chichuang Wu Zhenzhou case" as early as 2008, all of them have the shadow o...[Details]
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No matter how precise the instrument is, there will be errors. Infrared thermometers are also subject to errors. The accuracy of general thermometers is around ±2%. When measuring lower temperature...[Details]
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In the field of precision photoelectric detection, a small fluctuation of the light source can cause a large deviation of the measured value, resulting in a large measurement error. For example, i...[Details]