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introduction
Cell phones are the ultimate challenge for PCB layout engineers. Modern cell phones include almost all the subsystems of a portable device, and each subsystem has conflicting require...[Details]
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After a decade of hard work, Apple Inc. has changed its strategy in the automotive field, adopting more cautious designs and hoping to eventually launch an electric car, Bloomberg reports. Apple ha...[Details]
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#include
#include avr/interrupt.h
#include util/delay.h
#include"1602.h"
uchar key_switch=3;//switch between hours, minutes and seconds
uchar shan_flag;//blink
uchar spend;//when pressed for ...[Details]
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An on-board charger (OBC) is equipped on almost every electric car. Its main function is to meet the needs of "slow charging" and convert the AC power input by the AC charging pile into DC power that...[Details]
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This paper analyzes the working principle of the voltage protection circuit composed of a single junction transistor and a thyristor, and proposes a circuit that uses the LM339 voltage comparator t...[Details]
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Fronius
USA has announced that it will invest in its 400,000 square foot manufacturing facility in Portage, Indiana to add a new solar inverter production line, a new data center and hire new...[Details]
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0 Introduction
With the rapid development of science and technology and the continuous improvement of people's living standards, people have put forward higher requirements for the env...[Details]
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If a computer system using an ATX power supply fails, we must first conduct a comprehensive analysis from the CMOS settings, ACPI settings in Windows, power supply and motherboard, etc. In terms of h...[Details]
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The waveform signal generator that can be flexibly controlled has a structure of an oscillator composed of a double D-type flip-flop as shown in Figure 1. The start and stop of the oscillator can b...[Details]
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Recently, the Gansu Huangyang Pumped Storage Power Station of Three Gorges Energy was approved by the Gansu Provincial Development and Reform Commission, becoming the first pumped storage power sta...[Details]
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Sina Technology News: In the early morning of October 14, Apple released four new products: iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max. At the same time, it reactivated the MagSaf...[Details]
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Carbon fiber and supporting raw silk production projects, single crystal rod drawing, square cutting production line projects, power and energy storage battery projects, hydrogen energy equipment p...[Details]
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Investment in the semiconductor industry is hot, and the corresponding production momentum is also very strong; benefiting from the continuation of long-distance demand and strong demand for high-end...[Details]
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; (1) Precautions for use ;; ① Before use, check whether the mains voltage is consistent with the voltage required by the oscilloscope. ;; ② Power on and preheat for a certain period of time to make ...[Details]
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1. Project Overview
1.1 Introduction
The environment in the tunnel will bring some special problems to driving safety and the health of passengers and maintenance workers, mainly because of the t...[Details]
Analogue and Mixed Signal
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