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How to use the resistance method to test the forward and reverse control circuit
The forward and reverse control circuit of the motor is complicated because of its many functions. ...[Details]
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Structure of Figure 1 To check the insulation of motors, electrical appliances and circuits and to measure high-value resistance, megohmmeters are often used. A megohmmeter is an instrument that use...[Details]
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Abstract Aiming at the problems of inconvenient manual inspection of automobile electric fuel pump, low data accuracy and efficiency, a certain automobile fuel pump was taken as the research object, ...[Details]
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1. MCU interrupt system The concept of interruption: When the CPU is processing an event A, another event B occurs, requiring the CPU to process it quickly (an interrupt is generated); The CPU tempor...[Details]
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Research, design, and validation of new structures require a variety of static load tests as well as aerodynamic tests, as shown in Figure 1. If you want to measure the struct...[Details]
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BOE, CSOT and Samsung Display are said to be developing OLED panels for Samsung Electronics' Galaxy A73 smartphone, which it plans to launch next year. Samsung will evaluate the OLED panels from the ...[Details]
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On December 13, ST Electric Power disclosed plans for major asset replacement and cash payment to acquire assets, plans for issuing shares to purchase assets and raise matching funds. The company pla...[Details]
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On the morning of May 6, on the eve of the release of ZTE's new flagship mobile phone Axon 40, Ni Fei, senior vice president of ZTE and president of the terminal business unit, talked with the m...[Details]
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On July 9, 2019, local time, Red Hat announced that it had been formally acquired by IBM, with a total equity value of approximately $34 billion. At present, IBM's acquisition is very successful, and...[Details]
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On May 26, Musk's artificial intelligence company xAI officially announced the completion of its Series B financing, attracting heavyweight investors including Valor Equity Partners led by former T...[Details]
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//Button plus or minus one
#include reg51.h
#include stdio.h
int duan ={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F}; //Hexadecimal of the common cathode digital tube 0 to 9
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1) The UPS environment should be well ventilated to facilitate heat dissipation. Keep the environment clean.
2) The UPS output socket should be clearly marked to avoid adding irrelevant loads or s...[Details]
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With the rapid development of infrared detection technology, the amount of data to be processed by today's infrared real-time image processing systems is getting larger and larger, and the speed requ...[Details]
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Wang Lin, partner of Walden International, mentioned at the "Z Salon·Industry and Investment", a sub-forum of the 3rd "Core Power Beijing" Zhongguancun IC Industry Forum, that the Sino-US trade war h...[Details]
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With the emergence of overcapacity and low-price competition, the normal and rational development of the optical fiber industry is constantly being affected. According to an industry analysis rep...[Details]
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