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/*Written by: Wu Haorong
8 keys produce 8 basic sounds.
Can play built-in music, and the music flashes with the lights
All rights reserved. All reproduction prohibited
Author's blog: http://hi....[Details]
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The N4906B serial error tester covers basic error test functions. With appropriate pricing and excellent configuration features, this new serial error tester is an ideal choice for manufacturers and ...[Details]
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MSP430f5438 has 12 groups of general IOs from 1 to J. Only P1 and P2 can be used as external interrupt pins. There are the following control registers:
PxIN is the input register,
PxOUT is the ...[Details]
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军事与国防应用极大地受益于数字信号处理器( DSP ),其广泛应用于雷达、软件无线电( SDR )、灵巧弹药与目标探测系统、电子战应用、飞机成像以及众多其它应用。 DSP 借助其完美架构提供的精确处理能力可以显著提高性能。关键 DSP 功能包括实时信号处理、超高吞吐量与可重编程功能。本文介绍了如何采用高性能四倍数据速率(QDR)SRAM而使整体DSP系统性能至少提高两倍(与使...[Details]
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Institutional data shows that driven by the growing demand for application processors and other telecommunications equipment sales in 5G smartphones, the pure wafer foundry market, which experienced ...[Details]
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When the measured liquid enters the oval gear flowmeter through the pipeline, the pressure difference generated at the inlet and outlet drives a pair of gears to rotate continuously, and continuously ...[Details]
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Nowadays, with the continuous improvement of science and technology and intelligence, a large number of smart devices have emerged and gradually entered our lives, bringing unprecedented convenience ...[Details]
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Yesterday, Honor 9X was officially launched and achieved gratifying results. After achieving over 200 million sales in 2 minutes, it set a new record for the first sale of new mobile phones on Tmall ...[Details]
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Recently, 360's new W906 children's watch has successfully passed the network access test of the Ministry of Industry and Information Technology. It uses the ALIOS operating system and is built on AS...[Details]
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1. GPIO 1.1 Internal pull-up circuit The I/O ports of the 51 MCU can be used as both input and output. Except for the P0 port, the other I/O ports have internal pull-up resistors. The three internal...[Details]
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Automotive wiring harnesses are generally divided into two types: main wiring harnesses and small wiring harnesses. With the development of new energy vehicles, automotive wiring harnesses can be div...[Details]
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SunTech Medical has been focusing on clinical blood pressure monitoring technology for more than 20 years. Currently, more than 75 companies use SunTech's OEM non-invasive blood pressure technology...[Details]
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The clock is the most important and special signal in the entire circuit. Most devices in the system operate on the clock's transition edge, which requires that the clock signal delay difference be ve...[Details]
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In a full-bridge inverter, the filter inductor is a very important component, and the determination of the inductance value will directly affect the working performance of the circuit. This article w...[Details]
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At the Ministry of Commerce's regular press conference, a spokesperson responded to the U.S. Department of Commerce's letter to TSMC imposing export restrictions on certain complex chips of 7 nanom...[Details]