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The source program is as follows:
LIST P=16F877
INCLUDE "P16F877.INC"
; Clock display range: 00.00 seconds - 99.99 seconds, resolution: 0.01 seconds; The registers used are as follows:
S0...[Details]
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In the first quarter of 2019, my country's software and information technology services industry (hereinafter referred to as the "software industry") has made steady progress, with revenue and profit...[Details]
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Abstract: This article introduces the complete functions of the USB security key, the design of the dynamic link library DLL of the encryption algorithm, and the method of online modifying the u...[Details]
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Stable and reliable! ITECH newly released: High power density programmable DC power supply M3140 series
On November 25, ITECH officially released another high power density programma...[Details]
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Introducing the principle of oscilloscope core current probe and its safe use conditions The core current probe can test DC and AC current. The methods used to test DC and high-frequency AC current s...[Details]
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On March 14, Tai'an Municipal Energy Bureau issued the "Guiding Opinions on the City's Energy Work in 2022", which mentioned:
Tai'an Energy Bureau has placed greater emphasis on promoting the ...[Details]
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With the advent of the era of smart driving and smart cockpits and the rise of AI technology, automotive intelligence has become the goal and demand orientation of various companies around the world....[Details]
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With the continuous innovation of China's power electronics technology and the widespread application of photovoltaic power generation technology, the study of the power supply part inside the photovo...[Details]
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The most common failure of the motor is the bearing, because the bearing is the most easily worn part of the motor and is also the heaviest load part. Generally, the bearing temperature does not ex...[Details]
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With the development of society, there are more and more burglary cases, which poses a great threat to people's property. Because burglars are very cunning, it is extremely difficult for the police ...[Details]
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According to data from China Southern Power Grid, as of February 11, China Southern Power Grid has resumed work and started construction of 13 infrastructure projects, of which 5 main grid and powe...[Details]
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This article introduces ladder logic, a programming language used to program PLCs, and shows examples of its capabilities.
Ladder diagram, better known as ladder logic, is a programming langua...[Details]
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On February 16, the intelligent high-voltage photovoltaic inverter (HNPVD-MV) independently developed by Huaneng Qingneng Institute was officially launched. The photovoltaic inverter increases the ...[Details]
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1. The principle of frequency converter
According to the energy conversion situation, frequency converters can be divided into two types: AC-AC frequency converter and AC-DC-AC frequency conve...[Details]
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LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scree...[Details]
PCB Design
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