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By John Perry I have been driving for almost 30 years and have owned eight different cars in that time, model years: 78, 86, 89, 92, 2000, 2001, 2006 and 2011. All of my cars, except the 78 Granada...[Details]
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Question 1: Where is the exception vector address of the Linux kernel supporting ARMv8? Answer: The exception vector base address is 0xffffffc000081800. The base address of the exception vector table...[Details]
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October 8, 2023 – Mouser Electronics, an industry-renowned New Product Introduction (NPI) agent offering an ultra-rich range of semiconductors and electronic components™, is now shipping Laird Connec...[Details]
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The microcontroller source program is as follows: #include "reg51.h" #include "intrins.h" #define GPIO_DIG P2 //Data port #define uchar unsigned char //Rename keyword #define uint unsigned int ...[Details]
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On September 20, Bloomberg reported that facial recognition technology may finally explode in the consumer market, thanks to Apple's newly released 10th anniversary model iPhone X. Let's follow t...[Details]
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It is reported that Apple is negotiating to purchase part of Japan Display's (JDI) Hakusan factory in Ishikawa Prefecture for US$200 million. At the same time, Apple may continue to use LCD screens i...[Details]
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China Energy Storage Network News:
Suntech Power announced at noon today that its wholly-owned subsidiary China Energy Conservation Solar Technology Co., Ltd. (hereinafter referred to as "Sol...[Details]
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Apple intends to improve the battery life of the Apple Watch and add more sensors. The US Patent and Trademark Office granted Apple two patents on Tuesday. The first of the two patents, simply n...[Details]
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In order to ensure that the EPS emergency power supply is better applied to the fire emergency system, the EPS emergency power supply needs to be inspected and tested before or during use. The fo...[Details]
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1. Experimental tasks As shown in Figure 4.14.2, use the parallel port P1 of AT89S51 to connect to a 4×4 matrix keyboard, use P1.0-P1.3 as the input line, and use P1.4-P1.7 as the output line; it is ...[Details]
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On September 11, the "Non-Financial Enterprise Debt Financing Instrument Registration System" of the Securities Dealers Association showed that Huawei Investment Holding Co., Ltd. (hereinafter referr...[Details]
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When the Linux kernel prints "BUG: scheduling while atomic" and "bad: scheduling from the idle thread" errors,
Usually, a dormant function, such as semaphore, mutex, sleep, is called in the in...[Details]
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ISD51 (In-Circuit Debugger) provides new monitoring and debugging technology for 8051 programmers. After configuring ISD51 and connecting it to your user program, the user can debug the program direct...[Details]
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China Energy Storage Network News:
Yesterday, the reporter learned from the State Grid Wuhan Power Supply Company that Jiangcheng’s first “four-station integration” urban energy Internet ecol...[Details]
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Planning systems are becoming more and more complete, projects related to new power systems are coming one after another, and companies are integrating and innovating across industries, with power gri...[Details]