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Power quality refers to the quality of AC power supplied to the user end through the public power grid. In an ideal state, the public power grid should supply power to users at a constant frequency...[Details]
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The figure below shows a deep switch door automatic lighting circuit composed of a DC regulated power supply, a Hall sensor, a monostable trigger and a D trigger. The design realizes the control func...[Details]
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No matter what kind of IoT system is built, there are three "must have" elements: sensor nodes, gateways, and cloud networks. The gateway is the transition system between the sensor nodes and the clo...[Details]
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Renesas Electronics Expands RA MCUs with New RA4 Entry-Level Product Group, Offering Exceptional Value through Balanced Low-Power Performance and Functional Integration
The RA4E1 is ...[Details]
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On October 22, Huawei nova 9 was unveiled in Europe with a starting price of 499 euros (approximately RMB 3,700). This phone will be officially on sale in Europe on November 2. According to t...[Details]
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On October 25, Changchuan Technology released its third quarter report for 2021. The company achieved operating income of 1.069 billion yuan in the first three quarters, a year-on-year increase of 11...[Details]
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Abstract: According to v.23 recommendations, TMS320C5402 is used to realize the principle, algorithm analysis and software and hardware design of 16-channel full-duplex caller ID. This system ha...[Details]
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A notable feature of dynamic memory is that the stored data is volatile and must be refreshed within a specified time. In this system, the 8031 timer 1 timer interrupt is used to refresh the DRAM...[Details]
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According to news on March 1, blogger @ Digital Chat Station today brought the latest news about Huawei’s new flagship, which is expected to be the P70 series. The blogger revealed that Huawei’s new ...[Details]
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The outstanding feature of
the LM317
is that its output current can reach 1.5A, which provides more options for high loads. In addition, its output voltage adjustment range is also wide, ...[Details]
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The SNMP network management board uses the RTL8019AS 10M ISA network card chip to access the Ethernet. The advantages of choosing it are: NE2000 compatibility, good software portability; simple int...[Details]
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This article is compiled from ZDNet One of the big trends this year regarding robotics is that the way robots “see” is undergoing a fundamental change, which will have a huge impact on utility cost...[Details]
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/*****************************************************************************
* File Name : systick_delay.h
* Author : shifu
* Version :
* Date : 09...[Details]
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This evening, Honor held a global new product launch conference at the MWC World Mobile Communications Conference in Barcelona, Spain. At the conference, the Honor Magic4 series officially debuted....[Details]
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Smart meters play a key role in the emerging smart grid applications. Designers need to choose a suitable communication method for the communication between smart meters and data concentrators. P...[Details]
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