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For those who are involved in low-voltage electrical work, we must have more than one USB cable and more than one DuPont cable around us, but do you understand them?
When I was lighting up the 7-in...[Details]
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#include reg52.h
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
sbit DQ=P2^6;
sbit lcdrs=P1^0;
sbit lcdrw=P1^1;
sbit lcden=P1^2;
void disp(uint a);
void...[Details]
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In the 1980s, digital circuits developed rapidly, and their
test tools
, digital
oscilloscopes,
also sprang up like mushrooms after rain. Since digital oscilloscopes are much more e...[Details]
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Phenomenon 1:
Fault phenomenon: Alarm or vibration continues after 1-2 seconds of power on
Cause analysis: This phenomenon usually occurs due to oversensitivity and insufficient pow...[Details]
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1. Development environment:
Mini2440,
Linux_2.6.32.2 kernel,
Fedora 9
arm-linux-gcc-4.3.3
2. Porting steps
Download source code
http://www.sqlite.org/sqlite-autoconf-3...[Details]
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Abstract: Through a comparative analysis of the application of traditional starters and variable frequency speed regulators in mine exhaust fans, an effective and feasible way to save energy i...[Details]
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According to Dutch technology blog letsgodigital, Xiaomi submitted a patent application for smartphone appearance to the State Intellectual Property Office in September last year. The patent focuses ...[Details]
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How Intelligent Power Modules Are Making Heat Pumps Smarter Intelligent power modules make heat pumps smarter As companies move toward a low-carbon future, the market is increasingly demanding mor...[Details]
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Wireless sensor network design strategy for water quality monitoring in Poyang Lake, Jiangxi Province Poyang Lake in Jiangxi is the largest freshwater lake in China and one of the lakes with th...[Details]
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What is a bias circuit?
In order for an amplifier composed of transistors to amplify the signal voltage without distortion, it is necessary to ensure that the emitter junction of the transisto...[Details]
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Dr. Handel Jones, CEO of International Business Strategies (IBS), a strategic consulting firm for the U.S. electronics industry, analyzed the areas in which China is catching up with the United State...[Details]
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LED stands for semiconductor light emitting diode. LED energy-saving lamps use high-brightness white light emitting diodes as light source. They have high luminous efficiency, low power consumpti...[Details]
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The development of science and technology has enabled us to demonstrate unprecedented capabilities in the face of this epidemic. We have seen the construction of the Vulcan Mountain Hospital in 10 da...[Details]
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In the parameters of a flagship phone with a quad-core Snapdragon S4 Pro processor released by LG on August 25, one of the more important features was mentioned, which was the new touch screen techno...[Details]
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The following figure provides a simple interface solution. The converted
signal output
of this design
is fully compatible with the input stage of TTL/CMOS circuits and can support ...[Details]
DSP and ARM Processors
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