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Improving indoor navigation in emergency situations May 25, 2022 – Mouser Electronics, the industry leader in New Product Introduction (NPI) semiconductors and electronic components™, is now stocki...[Details]
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When the object being measured is in a non-static state, that is, the object being weighed or measured is in motion, it forms a dynamic weighing measurement state . For example, real-time weighin...[Details]
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Working principle of the circuit: 220 V mains electricity is supplied to the whole circuit after being stepped down by transformer T, bridge rectified by VD2-VD5, and filtered by C2. After switch S...[Details]
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introduction
In 2004, my country successfully developed the first functional prototype of a substation inspection robot. With the continuous improvement of my country's comprehensive national ...[Details]
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In the process of embedded system design, the power-off protection of the system is increasingly valued. The method introduced in this paper is implemented on an embedded platform built with ARM7 s...[Details]
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Apple, which has been rushing along the mid-to-high-end route, also has the "intention" to take the people-friendly route. In 2016, Apple released the iPhone SE, which started at only 3,288 yuan. Wi...[Details]
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Knowledge points: 1. The concept of operating system layering Windows: bios → kernel mode → user mode → user program Linux: bootloader → kernel → file system → user program 2. Intro...[Details]
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The GPT-9800 series electronic safety tester combines high durability and safety protection design, and complies with the testing requirements of various electronic/electrical products or components ...[Details]
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The interrupt system of LPC824 is very powerful. To make good use of interrupts, you must first understand the entire interrupt system of LPC824. Let's discuss the NVIC interrupt system. In the LPC8...[Details]
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1) fPCLK is not the CPU frequency, but the frequency of the peripheral bus.
2) The fastest SPI clock of STM32 is 18MHz, which is determined when the chip is designed.
3) STM32's SPI1 is on APB2,...[Details]
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Most high-precision analog-to-digital converters (ADCs) do not have high-impedance inputs. The input signal is connected directly to a sampling capacitor through a switch. This load presents some i...[Details]
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1 Introduction With the rapid development of science and technology and economy, people's concept of home has changed from simple living to focusing on humanized housing needs, such as safe, comforta...[Details]
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This article is a detailed summary and analysis of C language string operations. Friends who need it can refer to it.
1) String operations
strcpy(p, p1) Copy a string
strncpy(p, p1, n) Copy a s...[Details]
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// A set of processes that need to be analyzed 1. Configuration file analysis 2. Configuration process analysis 3. Compilation process analysis 4. Linking process analysis 5. Generate file analysis 6...[Details]
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With the rapid development of new energy vehicles and autonomous driving, many EMI problems have occurred in the application of automotive power chips:
First, autonomous driving and smart cock...[Details]
DSP and ARM Processors
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