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With the rapid development of LED display technology, LED electronic display screens , LED full-color display screens and other LED display screen products have shown diversified development....[Details]
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1 System Introduction
The development of home intelligent control system is mainly based on short information technology, automatic control technology, computer technology, digital communicati...[Details]
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I haven't written any program for several days. The reason is very simple: I have become obsessed with the new version of Journey to the West and have been reading it for several days in a row. What ...[Details]
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1. Characteristics and application scenarios of RS232 and Profinet communication interfaces:
RS232 is a serial communication interface standard, commonly used to connect computers and external...[Details]
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At present, in the field of high-end electronic equipment, high-grade DC/DC power modules are still mainly imported from abroad. Therefore, it is urgent to realize the localization of high-quality DC/...[Details]
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Currently, the global automotive industry is experiencing a revolutionary wave of electrification. Electric vehicles (EVs) have received widespread attention as a solution to climate change and red...[Details]
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Are headphones only used to listen to music? You may not be using them correctly. Happy consumption for oneself has become a highlight moment for young people. The visual pleasure brought by the colo...[Details]
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According to foreign media reports, on November 12, local time, leading travel supplier DENSO announced an investment in German company Lambda:4, which mainly uses low-power Bluetooth technology (BLE...[Details]
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A Sydney-based company has chosen southeast Queensland as the new production site for its revolutionary hydrogen fuel cells.
In Queensland, a “world-first” LAVO hydrogen battery sy...[Details]
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According to Jiwei.com news on the evening of March 22, according to Luxshare Precision's first quarter 2021 performance forecast, the company expects to make a profit of 132,552.48 million yuan to 1...[Details]
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1.
Design
1.1
Square wave generating circuit
The 555 timer forms a multivibrator circuit
. The circuit amplitude and duty cycle are adjustable, the square wav...[Details]
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Common methods of displacement measurement include image analysis, dual-frequency laser measurement, grating or magnetic grating measurement, magnetoresistance or magnetic field measurement, etc. Amo...[Details]
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1: STC15W204S series has 8-pin and 16-pin. For specific applications, please refer to the STC15 series microcontroller manual. 2: STC15W401AS series includes SOP16, SOP20 and SOP28. For specific...[Details]
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On January 25, the official Weibo account of Huawei China announced that recently, Shandong Mobile and Huawei have completed the large-scale opening of 500 three-carrier aggregation sites in Qingda...[Details]
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1. What is RF?
Answer: RF stands for Radio frequency, which mainly includes wireless transceivers.
2. What are the frequencies of mobile phones in the world today (CDMA, GSM, landline, PHS, anal...[Details]