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The "sunglasses" in quotation marks have two meanings: one is that it is indeed a pair of fashionable sunglasses, and the other is that it is a pair of glasses that can generate electricity through...[Details]
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In recent years, the development of servo systems has always been based on stability, responsiveness and precision, which are also the factors that users value most during use. In machine tool servo s...[Details]
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I. Introduction AD590 is a single crystal IC with two-terminal temperature conversion current source produced by Analog Devices. The figure shows the internal circuit structure of AD590 and its two ...[Details]
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STM8S103 MCU uses IAR for program development and debugging 1. After the program is debugged without errors, select "Options" to configure 2. Select the matching microcontroller model 3. Config...[Details]
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China Energy Storage Network:
"Internet +" smart energy, or "energy internet", is a field that the energy industry has been exploring in recent years. At the end of April this year, the first...[Details]
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The retail market volume of color TVs in China in 2019 was 47.72 million units, a year-on-year decrease of 2.0%, and the retail sales were 134 billion yuan, a year-on-year decrease of 11.2%. The indu...[Details]
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As early as 2017, Apple applied for a patent for Mac Face ID. At that time, we didn't know what the facial recognition feature on the iPhone X was called. Now, this patent applied for in 2017 has fin...[Details]
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One of the tasks of a power-on reset (POR) is to ensure that the processor starts running from a known address when power is first turned on. To this end, the POR logic output locks the processor ...[Details]
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Analog quantities in PLC generally refer to voltages from 0 to 10Vdc and current signals from 0 (4) to 20ma, which are processed by analog output modules (DA) and input modules (AD). Digital values...[Details]
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Recently, the customs data for the whole year of 2019 has been released. According to statistics, in 2019, China's inverter exports were about 31.5547 million units, with a total export value of nearl...[Details]
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Embedded technology with embedded microprocessors and embedded operating systems as the core is a new and popular technology in recent years. In particular, ARM embedded microprocessors based on ARM's...[Details]
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In a decade or so, researchers and historians will likely look back on today's audio market and describe it as a golden age of innovation. Never before has audio technology advanced so rapidly an...[Details]
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With the development of various electric vehicles, the demand for power battery chargers will increase. The quality of the charger is related to the performance and life of the battery, and the int...[Details]
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1. Circuit Principle The circuit is shown in the figure below. The P0 port of the 89S52 single-chip microcomputer is connected to the data line of the 1602 character LCD screen with an external 8x1kΩ...[Details]
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Preface This is a new picture of development that is a mixture of the old and the new, and a transformation of kinetic energy. In the tall red brick factory building with a sense of age, red hot molte...[Details]