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Specific implementation functions The system consists of STC89C51 microcontroller + LCD1602 liquid crystal display + L298N control module + DC motor + DS18B20 temperature sensor. Specific functio...[Details]
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Rumor has it that Apple is looking to reach a major deal with the NFL that would include online streaming rights, an NFL Sunday Ticket package, and a stake in NFL Media in an effort to boost Apple TV...[Details]
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As a new display media, LED display is a high-tech product integrating optoelectronics and computer technology. With the rapid development of large-scale integrated circuits and computer technolog...[Details]
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introduction
Many optical sighting systems have added TV and infrared auxiliary (peripheral view) sighting systems, which are called photoelectric sighting systems. In this system, TV or infra...[Details]
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Supercapacitors
Two main applications: high-power pulse applications and instantaneous power retention. Characteristics of high-power pulse applications: large current flows to the load insta...[Details]
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Recently, Power Integrations (POWI), a company specializing in high-voltage drivers for offline LED lighting, released a new reference design (DER-278) based on the company’s single-stage LinkSwitc...[Details]
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On December 6, market research firm Omdia released a report titled "OLED Notebook Panel Development Plan and Outlook 2022", which showed that in 2021, Samsung Display's OLED notebook panel shipments ...[Details]
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1 Introduction
The semiconductor laser reliability evaluation system is one of the essential test equipment in the development process of high-efficiency lasers. Due to the small size, low osci...[Details]
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The oscilloscope is a fundamental instrument for electrical engineers, but I often find that some engineers fail to use its triggering function effectively. Triggering is often considered to be very ...[Details]
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The MOSFET selection in the MAX8720 circuit is shown in the figure. The current conditions are Vin=7~24V, Vout=1.25V, Iout(max)=15A, FSW=300kHz, the controller's operating voltage (bias voltage) VC...[Details]
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Many people are asking, when does the AFIO bit in RCC_APB2ENR need to be turned on? Some people say it should be turned on when external interrupts are used, some say it should be turned on when pins...[Details]
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In 1799, Italian physicist Volta immersed a zinc plate and a silver plate in salt water and found that current flowed through the wire connecting the two metals. So he placed cardboard soaked in salt...[Details]
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The higher the compression ratio of the engine, the higher its thermal efficiency, that is, it can produce more power with the same fuel consumption. At present, the thermal efficiency of mainstre...[Details]
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Introduction Mobile phones are increasingly used in modern life, and their functions are also increasing. For example, many mobile phones now have MP3 and camera functions, and some also have f...[Details]
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It is reported that Motorola will launch new One series smartphones in the Indian market, including One Action and One Pro. Recently, foreign media 91mobiles exposed the full specifications of One Ac...[Details]