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According to Nikkei Asia, Apple has selected Chinese supplier Luxshare Precision to help develop its long-awaited augmented reality device. This is the first time that Apple has handed over the devel...[Details]
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According to the requirements of the regulations, the photovoltaic inverter needs to be equipped with 1~2 sets of relays on its output side, i.e., the AC side. The function of the relay is to cut o...[Details]
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With the development of scientific research and the advancement of production technology, the quantitative analysis of moisture has been listed as one of the basic items of physical and chemical ana...[Details]
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The triode is a current amplifier device with three poles, namely the collector C, the base B, and the emitter E. It is divided into two types: NPN and PNP. We only take the common emitter amplifier...[Details]
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More than half of 2017 has passed, and the hot search in the mobile phone circle in the first half of the year is full-screen . Since February, a large number of full-screen mobile phones have been...[Details]
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At present, due to the high price of spectrum analyzers, only a few laboratories in colleges and universities are equipped with spectrum analyzers. However, in electronic information teaching, witho...[Details]
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Intel Corporation today announced plans to exit the 5G smartphone modem business and complete its evaluation of other modem business opportunities, including PCs, IoT devices and other data-centric d...[Details]
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1. Assignment Operator The assignment operator "=" in C51 is used to assign a data value to a variable, such as x=10. The expression that connects a variable with an expression using the assignment...[Details]
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According to the latest survey report from WitsView, a division of TrendForce, the total shipment of TV panels in the first quarter of 2019 was 70.024 million units, up 4.2% year-on-year. The first q...[Details]
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2021 is known as the first year of smart cars, and autonomous driving technology has received unprecedented investment from all parties. Whether it is a traditional car company or a new car manufac...[Details]
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This morning, Redmi officially announced the new Redmi K30 5G Extreme Edition mobile phone, which will be officially released on May 11. IT Home learned that Redmi officially introduced...[Details]
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In the era of Pervasive Intelligence, sensors are everywhere. The existence of sensors makes devices such as cars, smartphones, and augmented reality headsets increasingly smarter. However, differen...[Details]
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At its investor conference on November 16, Qualcomm announced that it will continue to expand its semiconductor business to meet the growing opportunities brought by the demand for its technology. ...[Details]
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How to convert a single power supply into a dual power supply (NE555)
The following circuit is an astable circuit composed of IC NE555.
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The inverter is a power electronic device widely used in the field of industrial automation. Its main function is to convert the input AC power into AC power with adjustable frequency to achieve sp...[Details]