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MCS-51 microcontrollers usually have four 8-bit I/O ports. The data written to each port is written into the latch of the corresponding port, but there are two ways to read each port: read the latch ...[Details]
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Automobile testing is an important means to discover various problems in automobile design and development. Based on the test results, an objective evaluation of various automobile performances can...[Details]
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The simplest white light LED is obtained by adding phosphor to blue light LED, also known as 1-PCLED (Phosphor Converted LED), and its basic structure is shown in Figure 1. Because this LED is encapsu...[Details]
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According to a report by Korean media Elec citing market intelligence firm UBI Research, Samsung is working to make the S Pen stylus compatible with next year's Galaxy Z Fold 3. The Galaxy Note ser...[Details]
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Recently, the National Key R&D Program project (“Stability Control Technology of DC Transmission System of Renewable Energy Power Generation Base”) in which Tianjin Electric Science Research Instit...[Details]
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Download the schematic used in this program: click here , the microcontroller chip used is stc89c52; find the schematic of the dot matrix part. This is the circuit diagram of the entire microcontrol...[Details]
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The railway transportation industry is mostly complex, complicated and repetitive manual work. With the development of the times, China's demographic dividend is gradually disappearing, and young...[Details]
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Yesterday, the news in the power battery industry was that CATL's EVOGO launched a battery swap service brand and a combined battery swap overall solution. That is to say, CATL, through its wholly-ow...[Details]
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If we go back to 5 years ago, what most consumers pay attention to when buying a car is still relatively simple, such as appearance, interior, power, fuel consumption, price, and reputation. But th...[Details]
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On August 5, AMTE Power, a battery manufacturer for the specialty market, signed a memorandum of understanding (MoU) with automotive engineering company Cosworth to support the development of the nex...[Details]
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1 Introduction
With the development of the national economy, power users have higher and higher requirements for power supply quality and reliability. Realizing distribution automation is the m...[Details]
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When Europe mandated that electrical loads of 80W and above consume current in a circuit with a high power factor, it meant that humanity took another step forward in protecting resources and the envi...[Details]
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Influence of atmospheric attenuation: The infrared radiation energy on the surface of the electrical equipment under test is transmitted to the infrared detection instrument through the atmosphere, wh...[Details]
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In order for road surveillance cameras to clearly capture license plates at night, on the one hand, the camera's strong light suppression index must be good, which can effectively suppress the oncomi...[Details]
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Recently, there have been continuous news about the use of MLED in vehicles. Changan Qiyuan E07 uses Jufei Optoelectronics COB; Zeekr 7X uses Ruifeng Optoelectronics' Mini LED backlight vehicle scr...[Details]
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