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0 Preface ARM embedded processors have been widely used in consumer electronics, wireless communications, network communications, industrial control and other fields. Among them, ARM9 chips occupy an...[Details]
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While improving the anti-interference ability of hardware systems, software anti-interference is gaining more and more attention due to its flexible design, saving hardware resources and good re...[Details]
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The design of boost circuits is often involved in the design and application of many electronic products. For larger power output, such as DC-DC boost circuits above 70W, the power of the intern...[Details]
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The three-phase synchronous generator is driven by the prime mover to drive the DC-excited synchronous generator rotor, which rotates at a speed of n (rpm). According to the principle of electro...[Details]
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Many MCU developers do not understand the need to connect a ground capacitor on both sides of the MCU crystal, because this capacitor can sometimes be removed. I consulted many books, but found that ...[Details]
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Although Huawei and Apple are facing their own challenges, their positions in China's smartphone market remain unshakable and they are the two main competitors. According to an annual survey conducte...[Details]
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Introduction
70% of the information received by humans is video information. Compared with voice and text information, video information is more intuitive, has a larger amount of information,...[Details]
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802.11ac, which is considered by the industry to be the fifth generation of WiFi, is about to be released. What are the differences between it and previous WiFi standards and why is it so favored by t...[Details]
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1. Detailed explanation of hardware design
1) D/A conversion principle
Digital quantities are represented by binary codes in combination of digits. For weighted codes, each digit has a certai...[Details]
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Main file code:
/******************************************************************************/
/* This file is part of the uVision/ARM development tools */
/* Copyrigh...[Details]
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I. Overview Temperature is one of the most basic environmental parameters. It is closely related to people's lives and industrial and agricultural production. Temperature measurement is indispensab...[Details]
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OLED stands for Organic Light-Emitting Diode, which is an organic light-emitting diode display. It refers to a technology in which organic semiconductor materials and luminescent materials ar...[Details]
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On February 20, the operating entity of Onrui Microelectronics, Beijing Onrui Microelectronics Technology Co., Ltd., underwent industrial and commercial changes, and a new legal shareholder,...[Details]
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Selection of the working mode of the switching power supply: In the switching power supply circuit, there are four basic types: single-ended flyback, single-ended forward, half-bridge and full-br...[Details]
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When trying to mount the file system using nfs, it always fails with the following error message: eth0: link down IP-Config: Complete: device=eth0, addr=192.168.56.102, mask=255.255.255.0, gw=...[Details]
Discrete Device
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