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Because the novel coronavirus is highly contagious and spreads wantonly, people are terrified. Closing cities, closing roads, setting up quarantine areas... all these measures are aimed at preventing...[Details]
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I recently wrote an LPC2387 timer-related application and wrote down the ideas and code for reference. Requirement: LPC2387 implements a timer with a period of 0.5 seconds Idea: Take ...[Details]
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1 Design goals and ideas The design goal of this paper is to complete the output of 4 kinds of waveform signals, namely sine wave, triangle wave, square wave and sawtooth wave, and make them have t...[Details]
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1 Introduction
Currently, in order to improve the rate and capacity of downlink and uplink packet data, UMTS High Speed Downlink Packet Access (HSDPA) and High Speed Uplink Packet Access (HSUPA...[Details]
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There are three steps to test an inverter that you don’t know whether it is good or bad. The first step is static testing (no power), use the 1K position of the pointer multimeter to measure the ma...[Details]
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1. Twisting straight axis method
When the shaft with winding and core is bent, it is difficult to use the high temperature heating straight shaft method. Removing the rotor core and straighten...[Details]
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0 Introduction
In recent years, with the vigorous development of the Internet of Things, especially the popularization of object code systems (such as barcodes, QR codes, etc.), a mature techn...[Details]
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The first school project I worked on with my classmates was the ADC0809 voltmeter. The actual project failed, but the simulation succeeded. I believe that when I look back, I will find that many part...[Details]
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The single-phase relay protection tester is suitable for single-circuit empty contact or energized contact disconnection, closing time measurement, positive and negative pulse width measurement, dual...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robot p...[Details]
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This section is divided into two parts:
1. ARM boot process
2. Write code
1. 2440: Once powered on, it takes out 4KB of code from Nand and puts it into the stepping stone in SRAM to run and i...[Details]
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Samsung, once the king of Android phones, has lost much of its influence in the domestic market, but its new products are still attracting market attention. In addition to the flagship phones of the ...[Details]
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Amazon has partnered with American commercial bank Synchrony Financial to launch a program called "Amazon Credit Builder", in which Amazon will provide credit cards and credit services to people with...[Details]
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China Energy Storage Network News
: The essential attribute of "Internet +" should be a new round of informatization based on the Internet of Things, cloud computing, big data, and mobile Int...[Details]
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GIC is an important component in the ARM system. After understanding the composition and function of GIC, we can understand the general process of IRQ, from the arrival of hardware IRQ to the end o...[Details]
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