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How much money did global manufacturers make in the smartphone market in 2021? On March 3, Counterpoint, a well-known data research organization, announced the revenue and ranking of the global smart...[Details]
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Discrete difference amplifiers with op amps and external gain setting resistors have mediocre accuracy and significant temperature drift. Using 1%, 100ppm/°C standard resistors, an initial gain erro...[Details]
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The magnetic float type liquid level gauge is installed on the extension pipe outside the tank, and the liquid level inside the tank can be clearly known by the flap indicator. A magnetic switch can ...[Details]
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This oscilloscope project started during the Spring Festival holiday at home, and now the designed performance indicators have been basically completed. The sampling rate and bandwidth have reached t...[Details]
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1. Program Function
The analog signal is collected by AD at a frequency of 1HZ, then converted into digital quantity, displayed on the digital tube, and then sent to the computer at 1200bps for dis...[Details]
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Recently, the 2015 China (Tianjin) Regional Rail Transit Development and Equipment Key Technology Forum and the 24th Metro Academic Exchange Conference were grandly held in Tianjin. As a power qual...[Details]
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Below is the code for the 51 single-chip microcomputer digital tube display module. The specific instructions are clearly expressed in the comments.
#include reg52.h
#define uchar unsigne...[Details]
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Project Overview The total amount of proven vanadium ore resources in Danfeng County is about 17 million tons, with an average grade of 1.03%. At present, Haosheng Mining Company has built a productio...[Details]
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Exception vector table for s3c2440: The IRQ interrupt address is 0x18. Therefore, based on the previous exception handling method, we write the startup file: Why do you need to reduce lr by 4? Y...[Details]
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1. Adoption of standards The design of this multifunctional partial discharge tester (HDJF) adopts the following standards: GB/T 7354-2003 Partial discharge measurement; GB 4793.1-2007 Safety require...[Details]
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The unfinished road of
humanoid
robots
On March 28, UBTECH Robotics (9880.HK), the "first humanoid robot stock" that single-handedly drove the concept stock market and surged 200%...[Details]
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In order to promote the upgrading of the Internet economy and urban transformation of smart cities and comply with the national Internet+ strategic development, China Unicom cooperated with a city go...[Details]
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As a new force in light sources, LEDs emit light in a completely different way from traditional light sources. They emit light by using the recombination of electrons and holes in the semiconductor ...[Details]
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Have you ever thought that hackers are collecting, transmitting, and even analyzing your privacy through the smart home products you use? They can use only a computer to know the status of sockets, l...[Details]
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Murata Manufacturing Co., Ltd. (hereinafter referred to as "Murata") has developed a high-performance 6-axis inertial sensor for automobiles, the "SCH1633-D01" (hereinafter referr...[Details]
MCU
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