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In order to strictly prevent the spread of the new coronavirus epidemic, China continues to postpone the start of school for universities, primary and secondary schools, and kindergartens. Online cou...[Details]
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1. What is a single-chip computer? A working computer must consist of several parts: CPU (for calculation and control), RAM (data storage), ROM (program storage), input/output devices (for example:...[Details]
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1. Experimental tasks
Use AT89S51 single-chip microcomputer to make a manual counter. Connect a touch switch to the P3.7 pin of the AT89S51 single-chip microcomputer as a manual counting button. Co...[Details]
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At a time when the world is shrouded in the shadow of the virus, people who have been forced to press the pause button have gradually calmed down and started to seriously reflect on the relationship ...[Details]
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According to Jiwei.com, HKC is building the largest single-unit power device production base in China in Jimo District, Qingdao. In 2019, Jimo District, Qingdao City, Shandong Province and Shenzhen H...[Details]
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Circuit simulation refers to simulating the actual working process of a specific circuit through software on a computer, and calculating the output waveform of each node (including intermediate nodes...[Details]
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The 2019 Distributed and Energy Storage Innovation and Development Summit was successfully concluded in Suzhou. Focusing on "Unlocking New Technologies and Awakening New Potential", the summit cond...[Details]
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Feifei has recently been on a business trip and visited many users of electronic instruments, including college teachers, R&D engineers, production test engineers, etc. The two most frequently asked ...[Details]
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Commonly asked questions about moisture analyzers 1. The problem of full sealing of the system: The connection of the Karl Fischer reagent liquid path must be tightened, from the reagent bottle to th...[Details]
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Sometimes it is dangerous for an oscilloscope to measure a circuit system with a potential difference. This danger may come from a short circuit inside the device or from the potential itself. As t...[Details]
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Two 8031 systems communicate with each other in mode 1, sending the data stored in RAM30H~4FH in chip A to the corresponding unit of chip B. You are required to draw a circuit connection diagram, s...[Details]
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Oscilloscope waveforms represent real electronic signals. When evaluating an oscilloscope's performance, you can look at its ability to display a waveform with the same shape as the target signal. As...[Details]
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The DS1775 digital thermometer and thermostat is available in a small 5-pin SOT23 package with ±2°C accuracy over the -10°C to +85°C temperature range. The thermometer data is in 2's complement forma...[Details]
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It's rare to have time, so I want to write about the basics of stm32 recently. 8 ways of GPIO 1. Floating input GPIO_IN_FLOATING ——Floating input, can be used for KEY recognition, RX1 2. ...[Details]
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While much of the discussion around electric mobility has been about driverless cars and their ability to safely navigate congested roads, the development and deployment of compact, efficient charg...[Details]