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Microwave Vision Group (MVG), a leader in antenna measurement solutions, today announced that it will participate in the National Antenna Conference held in Harbin from August 20 to 23, 2023, and...[Details]
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Jiading District Transportation Committee's reply to Proposal No. 20-017 of the Fourth Session of the Sixth District CPPCC
Jin Pengjia and other members:
We have received your proposal on...[Details]
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Most of the car-related competitions have tracking requirements. Tracking methods can generally be divided into two categories: light-controlled tracking and camera-controlled tracking. Light-contr...[Details]
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1. Experimental Purpose
1. Understand
the method of expanding external RAM of 89C51 microcontroller
2. Understand
how to use static RAM
2. Experimental Descript...[Details]
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Q: What is the effect of the conductivity of the measured liquid medium on the electromagnetic flowmeter?
A: The electromagnetic flowmeter uses a liquid with uniform conductivity. When the inner di...[Details]
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In September this year, Apple’s latest iPhone 13 series proved its “Thirteen Flavors” with strength. The price without increasing the quantity, as well as the high refresh rate screen and smal...[Details]
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Those who have used assembly language know that in assembly language, the instruction reti is used to return from the interrupt service routine. Then in winavr we use C to write a program like this: ...[Details]
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LED is a light-emitting tube with diode characteristics, which can only be powered in one direction. Usually, the brightness output of LED is proportional to the current passing through the LED, b...[Details]
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——Promote technological innovation and industrial collaboration simultaneously, and focus on building a prosperous ecology of intelligent connected cars—— On May 25, 2023, "Suzhou High-speed Railw...[Details]
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In the design of real-time online detection of the clearance of the brake shoe of the hoist, it is necessary to save the fault time and fault data. Clock chips are used in most instruments and m...[Details]
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Safety is the red line, and quality is the bottom line. Without safety, there is no need to discuss the quality. Good quality products must have high safety. However, products with high safety...[Details]
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Intelligent networked vehicles are an organic combination of Internet of Vehicles and smart cars. That is, by carrying advanced sensors, controllers, actuators and other devices, using new technologi...[Details]
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Stanford researchers have developed a key experimental device for future technologies based on quantum physics that borrows inspiration from current everyday mechanical devices. Acoustic devices use ...[Details]
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Central topics:
•DC Switching
power supply
Control system hardware architecture
• PWM control principle in DC switching power supply
•Control PID ...[Details]
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From the previous uboot code analysis, we know that the uboot startup has three steps: BL0, BL1, and BL2. Since BL0 is a fixed program provided by the manufacturer, it does not need to be considere...[Details]