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Mental arithmetic is the basis of learning mathematics. If you want to improve your child's mental arithmetic ability, you need a lot of practice. Nowadays, many parents buy a lot of math mental arit...[Details]
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What is the screen size of the laptop you are currently using? Is it an 11-inch mini notebook, a 13.3-inch regular office notebook, or a 15-inch portable workstation? After years of regular and lac...[Details]
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1. Overview
With the rapid development of the performance and processing technology of non-metallic materials, non-metallic materials are being used in automobiles at an unprecedented rate. The av...[Details]
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On September 17, Guotai Junan Securities issued a report on the termination of the initial public offering and listing guidance work for Ideal Semiconductor Equipment (Shanghai) Co., Ltd. According...[Details]
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0 Introduction
For a long time, due to the lack of reliable measurement guarantee for high-current DC online measurement devices that monitor, measure and control the production electricit...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Experimental purpose: Master the use of S3C2440 microcontroller I/O and external interrupts Experimental content: Use external interrupt to achieve: (1) Press K11, LED1 flashes twice; (2) Press K12, ...[Details]
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CDN is a distributed content distribution network built on an IP network, which mainly adopts a "center-edge" storage and service distribution method. Its basic principle is to deploy edge ser...[Details]
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An oscilloscope, as its name suggests, is a machine that displays waveforms. It is also known as the "eyes of electronic engineers." Its core function is to display the actual waveform of the measure...[Details]
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The working principle is as follows: R1, R2, D1, Q1, D2 and C3 form a bootstrap startup circuit, and the startup voltage Vc is obtained to power IC1, IC2 and IC3 respectively. After the circuit is st...[Details]
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1. Physical indicators
Pixel center distance pixelEL pitch (dot pitch) The distance between the centers of adjacent pixels. (Unit: mm)
Density(number of points)
T...[Details]
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-----------------------------------motivation----------------------------------- A word for the beginning: I was browsing Taobao recently and found that RC522 can be bought for only 10 yuan w...[Details]
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The frequency converter (hereinafter referred to as VFD) is an electronic and electrical device widely used in modern factories. It is a high-end electrical product, and its main application areas ...[Details]
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"In the past two years, the domestic CPU market has undergone tremendous changes, and the market-oriented mechanism of the information and innovation industry has finally grown up," said Zhang Chengy...[Details]
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introduction CAN (Controller Area Network) bus controller area network was first proposed by RoberBosch at the SAE conference in February 1986. CAN bus is a serial communication protocol that can eff...[Details]