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#include "reg51.h"
char disp ={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};
char disp_dot ={0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd,0x87,0xff,0xef,0xc0};
sbit DQ = P1^3; //define commu...[Details]
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At present, the average yield of 5nm EUV has reached 80%, and the peak can reach more than 90%. The new 5nm process has been put into trial production and is scheduled to be put into mass production ...[Details]
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The 2019 Siemens Greater China Realize LIVE User Conference was held in Chengdu. On the day of the conference, the press conference of Siemens 2019 Greater China User Conference was also successful...[Details]
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Explosion-proof motor wiring method
There are two ways to connect explosion-proof motors, one is star connection and the other is triangle connection.
1. Star connection
Connect the ...[Details]
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On February 24, 2023, OPPO announced that it had completed its digital car key cooperation with NIO, and was the first to adapt to NIO's ET5, ET7, ES7, EC7 and other models through the Find N2 series...[Details]
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The most important thing in maintaining an ultrasonic flaw detector is the maintenance of its battery. To ensure the capacity and service life of the battery, please charge it in the following situat...[Details]
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(Image source: Esri official website) According to foreign media reports, Esri, a positioning intelligence and mapping software system company, announced a collaboration with Mobileye to integra...[Details]
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Because the port is protected by a diode, if the input voltage is too high, it will be clamped, so the input voltage of the electrical parameters in the data sheet can only be limited to VDD+0.3.
Tha...[Details]
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During the promotion of the ZDS2022 oscilloscope, front-line engineers often come to us to discuss some doubts about mains power measurement, which are roughly the following questions: 1. Why does th...[Details]
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Why electromagnetic flowmeter cannot measure gas
Electromagnetic flowmeter is a volume flow measurement instrument. During the measurement process, it is not affected by the temperature, visco...[Details]
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Global smartphone sales will continue to be negatively impacted by component shortages, production disruptions, and low inventory levels. Gartner's preliminary statistics show that global smartpho...[Details]
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1. GND Connect the black pen of the multimeter to the COM port and point it to the beep position. Touch the antenna with a black pen and any interface with a red pen. If any interface beeps, it me...[Details]
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The difference between phase-corrected PWM and fast PWM is that the phase-corrected PWM performs a minus-one operation after reaching the upper limit value, and then the port changes after reaching th...[Details]
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1. MSCAN receiving process Detect receive flag: The CANRFLG register is used here. Detect frame mode (standard frame/extended frame): The CANIDR register is used here. Read identifier: The CANIDR reg...[Details]
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Single chip microcomputer control technology has been widely used in automotive electronics, which significantly improves the intelligent control level and safety performance of automobiles. This arti...[Details]
Motor Drive Control（Motor Control）
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