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In today's era of Internet of Everything, many cities are integrating smart parking meters into urban infrastructure. This transformation not only reduces labor and operating expenses for parking ser...[Details]
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Introduction
Solar photovoltaic systems are finding more and more applications. Mobile systems in particular benefit from solar energy without spending a penny. At the same time, as the co...[Details]
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Tesla CEO Elon Musk said on Twitter that a trial project to open Tesla Supercharging Stations to other electric vehicles has begun. Judging from the official announcement, support has begun at least ...[Details]
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This article uses the 80C51 microcontroller external digital-to-analog converter and I/V conversion circuit, and the user can select several basic waveforms frequently used in the output experiment...[Details]
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When we run some C/C++ programs on PC, if the necessary library files or dll files are missing, the program will crash and pop up a bunch of dialog boxes with various crash sounds, prompting us "ru...[Details]
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This LF357 based audio compression circuit is a versatile circuit used to increase the average output power of the AF amplifier. Its simplicity makes it suitable for intercom systems, public addres...[Details]
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US media recently revealed that the US is stepping up its digital penetration of Russia's power grid and can launch cyber attacks without the approval of President Trump. The relevant news has attr...[Details]
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ARM is a RISC structure, and the movement of data from memory to CPU can only be completed through L/S instructions, that is, ldr/str instructions.
For example, if you want to read data from somewh...[Details]
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Today, vivo released the S5 in Hangzhou, which has a stylish appearance and 5-layer ultra-textured beauty. The 8GB+128GB version is priced at 2,698 yuan, and the 8GB+256GB version is priced at 2,998 ...[Details]
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There are two types of thyristors: unidirectional thyristors and bidirectional thyristors, both of which have three electrodes. Unidirectional thyristors have a cathode (K), an anode (A), and a contr...[Details]
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On June 8, the China Securities Regulatory Commission disclosed a report on the initial public offering and listing guidance of Hangzhou Guoxin Co., Ltd. (hereinafter referred to as Hangzhou Guoxin)...[Details]
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The job of a DC-DC switching converter is to efficiently convert one DC voltage to another. High-efficiency DC-DC converters use three basic technologies: buck, boost, and buck/boost. Buck converte...[Details]
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1 Overview
2. Composition of the servo
3. Working principle of servo
4. Selection of servo
5. Matters needing attention when using the servo
6. Introduction to Huisheng S90 Servo
7. How to ...[Details]
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1 Introduction to Elevator Control
Elevators are important means of transportation in modern buildings that are related to the safety of people's lives and property. How to improve the operati...[Details]
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The WiFi signal at home is not strong? Don't worry, put a WiFi signal amplifier made of cans on the wireless router, and the signal will be enhanced. Recently, a Weibo post titled "Homemade WiFi Sign...[Details]