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The Apple Developer Conference in June made the "digital key" popular again. In fact, using mobile phones as car keys is not a new technology, but it has not yet been widely popularized. When I ...[Details]
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//Serial port programming--receive the string sent by PC and send back the string. The interrupt control LED flashes during sendi...[Details]
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1. Introduction
In recent years, due to the increasingly serious environmental pollution and industrial needs, the development of sensors has received much attention. As air pollution prevention and...[Details]
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PWM DC voltage controlled
high brightness LED
dimming
Summary: This LED driver circuit includes a hysteretic controller U1 (MAX16820), associated power devices and a cont...[Details]
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48V bus street light circuit and solution
Main benefits of using LM3402/4/6HV chips
in LED street lights with 48V (or above) bus
• High input voltage step-down LED driver
- I...[Details]
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Since Alphago defeated Lee Sedol in 2016, artificial intelligence (hereinafter referred to as AI), which has been around for more than half a century, has finally entered a period of rapid developmen...[Details]
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This system uses a single-chip microcomputer as the main control chip, ISD4004 as a voice recording and playback chip, and cooperates with related peripheral circuits and control switches to achiev...[Details]
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Regarding the CAN bus, its characteristics are as follows:
• It uses a twisted pair cable.
• Multiple ECUs can be connected on the same CAN bus.
• Reduced weight and wire costs.
...[Details]
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Understanding the concept of inverter
The process of converting AC power into DC power is called rectification, the circuit that completes the rectification function is called a rectif...[Details]
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The principle and method of suppressing 50 Hz AC noise by electron tube amplifier
1. Influence of Filament Voltage Amplifier
There is a capacitor Cf between the gate and the filament of the ele...[Details]
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When choosing a metal tube rotor flowmeter, you must first understand the product standards implemented by the metal tube rotor flowmeter manufacturer, especially the regulations on accuracy and disp...[Details]
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The tester has stable performance, can automatically read accurate data, is easy to use, and is a must-have small instrument for electronics enthusiasts, electronics developers, designers, and electr...[Details]
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The term "ubiquitous power Internet of Things" has attracted much attention since it was proposed at the beginning of this year, and more and more companies have chosen to join the development tren...[Details]
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In order to achieve the goals of carbon peak and carbon neutrality, Jiangsu must build a new power system with new energy as the main body. Among them, grasping the forefront of world wind power tech...[Details]
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Abstract: Image compression technology is a very important image data transmission method in modern image data communication systems. This article introduces the principles and methods of image ...[Details]