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O Introduction The JPEG2000 digital image compression standard is a new generation of static image compression standards jointly developed by the International Organization for Standardiza...[Details]

1 Introduction The control objects in modern control systems may be complex and dispersed, and often work in parallel and independently, but overall they are an organic combination of mutual re...[Details]

MOSFET is the absolute workhorse device in the field of switching power supply. But in some instances, bipolar junction transistor ( BJT ) may still have certain advantages over MOSFET. Especially...[Details]

1.1.S3C2440 processor structure The structure of S3C2440 processor is shown in the figure below. Its core unit is ARM9TDMI processor core, which mainly includes 16K instruction cache and 16K data cac...[Details]

Earlier, there were reports that Apple had canceled the hardware development of AR/VR headsets, but according to some details found by MacRumors in the internal version of iOS 13, Apple does not seem...[Details]

1. Introduction: Traditional grinding machine spindles are started directly by industrial frequency, and the spindle grinding wheel motors are operated according to the traditional starting ci...[Details]

When using electromagnetic flowmeters, some inexperienced operators should carefully read the instruction manual and learn more about technical knowledge. So how much do you know about electromagneti...[Details]

　　 Solving the power supply problem of integrated graphics card/discrete graphics card 　　In the hardware industry, there is an important law, that is Moore's Law. It states that when the price rem...[Details]

    0. Introduction 　　In today's world where energy is scarce and environmental pollution is becoming increasingly serious, fully developing and utilizing solar energy is one of the energy strategie...[Details]

Recently, SMA Solar Technology, a large-scale photovoltaic inverter manufacturer, stated that in 2020, the company supplied approximately 1.6GW of central inverters to Australian photovoltaic power...[Details]

     Valve's game handheld Steam Deck has been officially released today. The handheld has a good reputation in many media, but some players are not very satisfied with its battery life. Valve's desi...[Details]

Linux system: Ubuntu9.10 Cross compiler: arm-linux-gcc-4.3.2 (already installed) Qt: qt-x11-opensource-src-4.5.3.tar.gz qt-embedded-linux-opensource-src-4.5.3.tar.gz 1. Install Qt Qt downlo...[Details]

In the previous articles, GPIO usage: Light up the LED!, only the output of the IO port was described, and no input was mentioned. Because I recommend using interrupts as input, it can greatly reduce...[Details]

　　 During the welding process of LED energy-saving lamps , we often encounter the problem of how to identify the positive and negative poles of the light-emitting diodes. This is particularly impo...[Details]

There are many ways to control voltage in industry. Here are some common methods: Voltage Regulator A voltage regulator is a device used to control voltage. It can adjust the in...[Details]