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The CO concentration alarm design based on 51 single chip microcomputer was successfully tested. MQ series gas sensors are universal! The simulation schematic diagram is as follows (the proteus simul...[Details]
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Solar cooling has good seasonal matching, that is, the hotter the weather, the better the solar radiation, and the greater the cooling capacity of the system. This feature has attracted attention and ...[Details]
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After three years of using Intel baseband, this year's iPhone 12 baseband returned to the Qualcomm camp, which made Qualcomm a lot of money. According to Qualcomm's fourth-quarter financial report ...[Details]
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The main circuit is the power conversion part that provides voltage and frequency modulation
power
supply to the asynchronous motor
. The main circuit of the frequency converter can be ro...[Details]
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The transmitter provides an optical link (infrared) for the headphones. The three infrared LEDs (IR) are current polished by T1 and P1 is used to adjust the current level. The current consumption o...[Details]
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First, among all the data members of the union, only one data member can be stored at a time. All data members have the same address, and the size of their space is based on the largest data member. F...[Details]
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LED is short for light emitting diode. Due to its many advantages such as environmental protection, long life, high photoelectric efficiency (the current luminous efficiency has reached 100LM/W), a...[Details]
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1. Generation and description of three-phase alternating current
1. Generation of three-phase symmetrical AC electromotive force
Compared with single-phase AC circuit, three-phase AC circ...[Details]
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Creative thinking is a thinking activity with pioneering significance. These thinking activities are not limited to a new object, but can also be a way, an attitude towards the industry. Hexagon's cr...[Details]
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In order to adapt to the continuous development of urban traffic and the improvement of social security, the modernization of transport vehicle management has been put on the agenda. It is very n...[Details]
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At noon on June 9, AMEC issued an announcement stating that the company learned this morning that the U.S. Department of Defense removed Advanced Micro-Fabrication Equipment Inc. (AMEC) (hereinafter ...[Details]
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According to the description in the data sheet of stm8s105, it actually supports RWW. I use STM8S105K4T6. During the use, I tested the high and low levels of the test pins and found that the RWW func...[Details]
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Graphics are an important part of virtual instruments. Labview provides users with rich graphic display functions and provides many display controls for use in the graphics sub-template, as shown in t...[Details]
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Friends who often come into contact with multimeters should have heard that Fluke multimeters have hard cores and cow dung cores. So what are the hard cores and cow dung cores of Fluke multimeters, a...[Details]
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A single-phase inverter is a power electronic device that converts single-phase AC power into three-phase AC power with adjustable frequency and amplitude. It is widely used in industrial automatio...[Details]
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