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Linux memory management
The paging management of embedded processors is a two-level mapping, with memory space and I/O space addressed uniformly, while the x86 processor uses a three-level map...[Details]
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1. Overview
In the field of electrical transmission, with the continuous improvement of the technical level of self-shutoff devices, pulse width modulation technology (PWM technology for s...[Details]
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Introduction: CAN is the abbreviation of Controller Area Network (hereinafter referred to as CAN), which is an ISO internationally standardized serial communication protocol. It was first proposed b...[Details]
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Installation software download: https://www.saleae.com Connect the logic analyzer CHx to the UART rx and tx respectively Configure Logic to select the serial port Setting the baud rate You can als...[Details]
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A level is a commonly used measuring tool for measuring small angles. In the machinery industry and instrument manufacturing, it is used to measure the inclination angle relative to the horizontal pos...[Details]
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main feature: Handheld RF analyzer, integrating antenna and cable tester, spectrum analyzer and vector network analyzer Multiple frequency options to meet different frequency test requirements The...[Details]
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In the production process, we always encounter the phenomenon that one, one string, or several strings of lamp beads cannot light up when testing after mounting on the board. Here is a summary of thi...[Details]
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NXP Expands Its Leading Edge Portfolio with the Launch of the Advanced Connected MCX W Wireless MCU Family for Smart Industrial and IoT Devices
NXP’s MCX W family of scalable wireles...[Details]
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Technical barriers have become a major obstacle to my country's international trade.
In the process of my country's international trade, the losses caused by technical barriers amount to hundreds o...[Details]
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1. Electric vehicles
Electric vehicles are another development direction for energy conservation and emission reduction. The "electric vehicles" referred to here are a broad concept, which g...[Details]
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After more than a hundred years of development, traditional cars have entered a period of decline. In the past 10 years, self-driving cars with the support of "electrification + intelligence + sharin...[Details]
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The EMI interference sources of the switching
power supply are mainly reflected in the power switch tube, rectifier diode, high-frequency transformer, etc. The interference of the exter...[Details]
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The difference between time-delay fuse and ordinary fuse Time-delay fuses are used in some circuits where the current at the moment of switching is several times greater than the normal operating cur...[Details]
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The waveform capture rate of an oscilloscope, as the name implies, refers to how many times the oscilloscope captures a waveform per unit time. Its unit is written as "wfm/s" in English (wfm is the a...[Details]
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On October 12, Xinjiang Company and some tertiary industry companies were invited to attend the investment promotion symposium and signing ceremony held by the Wusu Municipal People's Government an...[Details]