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1. Software Timer Introduction UC/OS-III provides software timer service. The essence of timer is a decrementing counter. When the counter is reduced to 0, it can trigger the execution of some actio...[Details]
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Infrared gas detector is a portable gas detector that uses special infrared gas analysis technology and has the characteristics of high precision, high resolution, long life, and easy maintenanc...[Details]
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Recently, China Automotive Center Information Technology Co., Ltd. released the "Statistical Analysis of China's Automobile Patent Data in 2022" (data source: Global Automotive Patent Big Data Platfo...[Details]
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In embedded system development, keyboard is often used to realize human-computer interaction. This article introduces a method to directly use ARM's I/O port to expand the matrix keyboard. At the s...[Details]
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Switching power supplies are divided into two types: isolated and non-isolated. Here we mainly talk about the topology of isolated switching power supplies. In the following text, unless otherwise ...[Details]
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On the morning of April 30, Apple began pushing the iOS 13.5/iPadOS 13.5 developer preview Beta 3 update. In the iOS 13.5 beta version, Apple optimized Face ID. When the iPhone detects that the u...[Details]
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The 6th Chengdu International Auto Parts and Aftermarket Services Exhibition (CAPAS) will be held at the Chengdu Century City New International Convention and Exhibition Center from May 23 to 25, 201...[Details]
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You can check PWM (Pulse Width Modulation) on the Internet, and there are many explanations of its principles. In order to better learn PWM, I specifically referred to articles written by others and ...[Details]
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Arbitrary waveform generators (AWGs) are able to reproduce almost any waveform. In today's complex electronic systems, arbitrary waveform generators play a key role as signal generators. Spectrum Ins...[Details]
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From smartphones to cars, consumers are demanding more functionality packed into smaller and smaller products. To help achieve this, TI has optimized packaging technology for its semiconductor devi...[Details]
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O Introduction
EnDat interface is a digital, full-duplex synchronous serial data transmission protocol designed by HEIDENHAIN for encoders. It has the advantages of fast transmission speed, pow...[Details]
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1. Brief explanation of E2Write function The contents of "E2Write(unsigned char *buf, unsigned char addr, unsigned char len)" in Mr. Song's routines lesson14_3 and lesson14_4 are different. The E2W...[Details]
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On March 13, the assembly of N4467 tower of the ±800 kV Ya'an-Jiangxi UHV DC transmission project Xiang 3 section was completed.
The ±800 kV Ya'an-Jiangxi UHV project is a key power transmissi...[Details]
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ABI-6500 circuit board fault detector The main differences between 6400 and 6500 parameters: The main function: 64-channel digital integrated circuit online and offline functional testing 64-channe...[Details]
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On November 18, Mark Gurman said that Apple is evaluating whether to manufacture Apple TV.
Previously, Mark Gurman revealed that Apple is building a smart home display that is similar in...[Details]
Power technology
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