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Determine whether the button is pressed. When it is pressed, the I/O port level is low, and when it is not pressed, it is high. Its checking process is: first set the corresponding I/O port to 1, t...[Details]
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On June 30, State Grid Corporation of China held a seminar on the strategic situation of "Ubiquitous Power Internet of Things and Energy Transformation". Experts attending the seminar unanimously a...[Details]
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Press the start button I0.1, relay M0.1 is turned on and self-locked
M0.1 is turned on, its normally open point closes and turns on coil Q0.1, and starts ti...[Details]
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Goal: Independently press the key to invert an LED light A button is an electronic switch. When in use, lightly pressing the switch button will turn the switch on. When you release your hand, the sw...[Details]
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According to news on November 28, the British Global Investment Summit was held in London yesterday. More than 200 CEOs of heavyweight companies around the world attended, including Goldman Sachs, JP...[Details]
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Stepper motors are widely used in control systems. They can convert pulse signals into angular displacement and can be used as electromagnetic brake wheels, electromagnetic differentiators, or angu...[Details]
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On January 10, Laibao Hi-Tech stated on the investor interaction platform that the company has mass-produced and supplied dual-screen vehicle touch screens and a small amount of triple-screen vehicle...[Details]
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An international research team from the Center for Quantum Nanoscience (QNS) of the Institute for Basic Science (IBS) in Korea and the Jülich Research Center in Germany has developed the world's fi...[Details]
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Preface
Data acquisition system refers to the overall system that automatically collects conditioned electrical or non-electrical signals from analog and digital units under test such as sensors an...[Details]
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What is the difference between LED TV and LCD TV?
led lcd tv
In principle, LCD devices are somewhat like those advertising light boxes on the street. The light source...[Details]
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1. Development environment Host: VMWare--Fedora 9 Development board: Mini2440--64MB Nand, Kernel:2.6.30.4 Compiler: arm-linux-gcc-4.3.2 2. Prerequisite knowledge 1. Linux input subsystem (Input Sub...[Details]
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A startup called NeuroPace is hoping to get approval to sell its first neural implant. NeuroPace's work is just one example of a booming market in the nascent field of neural devices.
NeuroPac...[Details]
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1. Introduction of the concept of counting Let's start with counting votes: draw a "positive". This is counting. Counting routines can be seen everywhere in life. For example: the counter on the t...[Details]
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Recently, after a year of trial operation, the national pilot project of source-load storage-charging district-level microgrid was officially put into operation in Taihezhuang Village, Xushui District...[Details]
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The schematic diagram of MAX7219 driving dot matrix is as follows: The source program of single chip microcomputer + MAX7219 dot matrix is as follows: #include reg52.h #include intrins.h #def...[Details]
Analog electronics
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