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The challenge of today's audio design is to simulate actual sound and deliver it through various audio devices. Sound can come from any direction, and in fact, our brain is able to calculate and perce...[Details]
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Working principle: 220V AC voltage is stepped down by transformer T, bridge rectified by diodes VD1~VD4, filtered by C1 to obtain a DC voltage of about 3.6V. One path passes through the voltage stabi...[Details]
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method 1: In Keil C51, call the library function directly: #include // declares void _nop_(void); _nop_(); // Generate a NOP instruction Function: For ...[Details]
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The alarm consists of an infrared transmitter, receiver, buzzer and LED indicator. Under normal circumstances, the green LED flashes constantly, indicating that the monitored area is normal. Once s...[Details]
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The future
development direction of
LED chips
must be closely combined with packaging technology. On the basis of more and more mature packaging technology, the size of LED chips will become...[Details]
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On the morning of January 18, it is well known that Tesla cars currently do not support the CarPlay function. However, last week, Polish developer Michał Gapiński made some modifications to the ...[Details]
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Develop innovative products and differentiated markets Acer held the "next Acer" press conference in New York on April 11, 2019, and announced a number of new products, including a 43-inch gaming mon...[Details]
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First, let me introduce the materials used in the production (all materials are available in Electronic City)
1. Micro switch (2-3 yuan each)
2. LED lights (colors: white, blue, green, red, light,...[Details]
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1 Introduction
With the rapid development of modern information technology and the gradual realization of traditional industrial transformation, temperature detection and display systems that c...[Details]
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1 Introduction
Nowadays, when raising aquariums at home or in restaurants, oxygen is usually supplied by oxygen pumps all the time, which wastes both electricity and oxygen. The feeding is don...[Details]
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Recently, my country failed to launch Indonesia's PALAPA-N1 satellite using the Long March 3B carrier rocket at the Xichang Satellite Launch Center. This was the second launch failure in a month afte...[Details]
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STM8 is an 8-bit microcontroller developed by STMicroelectronics for industrial applications and consumer electronics. Each MCU has its own advantages and disadvantages. Compared with other 8-bit M...[Details]
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For most single-chip microcomputer systems, due to the high speed of single-chip microcomputers, single-chip microcomputers have a lot of idle waiting time during operation. In some cases, the waiting...[Details]
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Contents The invention relates to a volumetric gas flow meter for measuring gas flow, in particular to a suspended single-rotor gas flow meter. Background of the Invention At present, there is a fl...[Details]
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On November 7, the latest data released by market research agency SNE Search showed that the total battery usage of registered electric vehicles (EV, PHEV, HEV) globally from January to September th...[Details]
Mobile and portable
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