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The process of generating the linux-5.11 image vmlinux -objcopy- arch/arm/boot/Image arch/arm/boot/Image -gzip & add arch/arm/boot/compressed/head.S- ...[Details]
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"Silicon" is one of the most abundant materials on our planet. Since scientists discovered the semiconductor properties of crystalline silicon in the 19th century, it has changed almost everything,...[Details]
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I recently used the serial port of stm32. It was very tiring to interrupt the reception of characters one by one. I searched the Internet and found a good post. I would like to share it with you. The...[Details]
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This article is about using digital input/output buffer information specification (IBIS) simulation models during the printed circuit board (PCB) development phase. This article will describe how t...[Details]
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Most of the codes that can be found at present are based on the default 8M external crystal oscillator. If the crystal oscillator used is not 8M, some modifications need to be made. For example, the ...[Details]
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在现代工业控制中，采用变频器控制电动机的电力拖动系统，有着节能效果显著，调节控制方便，维护简单，可网络化集中远程控制，可与PLC 组成控制系统等优点。变频器的这些优点使其在工业自动控制领域中的应用日益广泛。本文对变频器应用中的故障问题进行了分析，并介绍了处理方法。
1 Some problems in inverter application
1.1 Harmonic P...[Details]
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On August 30, Yema Battery released its 2023 semi-annual report. In the first half of the year, the company achieved operating income of 419 million yuan and net profit attributable to shareholders of...[Details]
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Hardware description: PB5 of ATmega48/88/168 is the SPI clock output, connected to the shift clock input of 74HC595/74HC165; PB4 is the MISO data input of SPI, connected to the data output of 74HC165...[Details]
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System Block Diagram The system uses a single-chip microcomputer as the data processing and control core. The single-chip microcomputer completes the human-machine interface, system control, signal a...[Details]
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"We are in an era of great change. Based on the full-scenario intelligence strategy, Huawei will open a new era of smart screens with innovative technology." Consumer Business CEO Richard Yu once men...[Details]
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This article introduces an LED driver reference design for high-power LED bulb replacement applications. This driver can provide the required power for LED replacement lamps for 100W A19 incandescent...[Details]
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The MDO-2000E series is a multi-functional mixed domain oscilloscope. The series includes four models: MDO-2000EG, MDO-2000EX, MDO-2000EC and MDO-2000ES. MDO-2000EG has a built-in spectrum analyzer...[Details]
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Slowing the spread of COVID-19 through BLE (Bluetooth Low Energy) solutions has proven to be feasible, but current distance measurement and positioning received signal strength indicator (RSSI) techn...[Details]
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In the previous two classes, Pi Ziheng introduced two typical input files in embedded development: source files (.c/.h/.s) and link files (.icf). Pi Ziheng is going to ask again, are there any inpu...[Details]
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In the new energy vehicle market in 2024, although fire accidents have been greatly reduced compared with before thanks to the advancement of power battery safety technology, they still occur from ...[Details]
Test/Measurement
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