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1. Design of dormitory intelligent alarm system
Abstract: The system uses Lingyang's 16-bit single-chip SPCE061A as the main controller, and uses smoke sensors and human pyroelectric infrared sen...[Details]
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P1.0 and P1.1 are driven by 7407 to light up alternately and flash once per second. See the figure below for hardware connection (using 6MHZ crystal oscillator)
Analysis: The flashing cycle is...[Details]
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Although smartwatches already support many advanced vital signs monitoring functions, both Apple and Samsung face strict approval from regulators. After all, if they are managed as medical devi...[Details]
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On the morning of April 24, after years of speculation, we finally know the name of Google's first self-branded smartwatch: Pixel Watch, well, not surprising at all. Recently, Google filed ...[Details]
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Earlier this month, OPPO launched the Reno5 and Reno5 Pro, both of which support 5G networks. Now, the company has quietly launched the 4G version of the Reno5. The OPPO Reno5 4G uses the Snapdrago...[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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At present, developed countries have increasingly stringent requirements on the power consumption of electrical products, and have formulated many standard specifications for standby power con...[Details]
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LabView is designed for VISA-level communication with instruments. As long as the instrument has a LabView driver (or plug-and-play driver), the program is straightforward. However, instruments witho...[Details]
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According to MacRumors reports on March 24, the entire iPhone 15 series is equipped with a USB-C interface as standard. The USB-C here is essentially just a description of the shape of the interface....[Details]
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1. Introduction
Since the thermal vacuum test of a certain type of solenoid valve needs to be completed before leaving the factory, the valve response characteristics need to be tested ...[Details]
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Recently, at RE+, the largest clean energy exhibition in North America, Haibosic has reached a breakthrough cooperation with a number of global partners including energy storage system integrators,...[Details]
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Today I looked at the window watchdog of stm32 and suddenly found it very abnormal, so I did various experiments and came to the following conclusions. Since the conclusions are only experimental and ...[Details]
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On October 16, Ouye Semiconductor announced that it had recently completed its A2 round of financing. This round of financing was led by China Merchants Zhiyuan Capital, with existing shareholders Xi...[Details]
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This issue discusses the symmetry conditions and number of parallel branches of fractional slot windings.
1 Symmetry conditions of fractional slot windings
For integer slot windings, sinc...[Details]
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Although the latest Navigate on Autopilot has just been criticized by Consumer Reports for its poor performance, Tesla has recently applied for a new patent titled "System and Method for Handling Err...[Details]
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