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Post-production printed circuit boards (PCBs) of moderate complexity are traditionally inspected using in-circuit testing (ICT) and functional testing. Other testing methods, such as expensive optica...[Details]
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IF sampling is widely used in communication fields such as software radio, digital IF receivers, and base station systems. High-performance IF sampling systems often require high signal-to-nois...[Details]
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This is a simple - and easy to build - alarm circuit. For power - I used a small 9 volt battery. But the circuit itself will run from 5 to 15 volts - just choose a buzzer that is appropriate for the v...[Details]
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Recently, negative news about e-cigarettes has emerged in an endless stream, bringing great public pressure to the industry. According to a report by U.S. health officials, the number of confirmed an...[Details]
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1 Project Overview The micro urine analyzer we designed can detect ten parameters of urine, including white blood cells, nitrite, urobilinogen, protein, pH value, occult blood, specific gravity, keto...[Details]
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NIO announced the upgrade of its NIO Pilot automatic assisted driving system, adding seven new functions. Also pushed was the NIO OS 2.0 intelligent operating system, which has been upgraded to a new...[Details]
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1. Modular Instruments – Flexible Customizable Software and Scalable Hardware
The increasing complexity of equipment and the gradual integration of technology have forced test systems to become mor...[Details]
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There are only 60 maskable interrupts in the STM32F103 series (68 in the 107 series). Interrupt management method First, group the STM32 interrupts into groups 0 to 4. At the same time, set a preem...[Details]
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On the evening of April 19, Jiejie Microelectric disclosed its 2021 annual report. During the reporting period, the company achieved operating income of 1.773 billion yuan, a year-on-year increase of...[Details]
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I searched online for some examples and methods of accurate delay (relative) in C language for C51 microcontrollers.
The summary is as follows:
1. _nop_() is suitable for small delays at the us l...[Details]
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Foreign media 9to5 Mac reported that HomePod is about to reach a month as Apple's discontinued product. Unlike the iMac Pro, which disappeared from Apple's official stores within 13 days, the w...[Details]
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In DSP-based embedded systems, software updates usually require the use of an emulator to download the latest executable program to the target board, then extract the executable binary program and ...[Details]
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Single parameter In the application, you can pass values in the parameters of main The header file is in "include/linux/moduleparam.h" Kernel modules can pass a single parameter via module_par...[Details]
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According to blogger @WHYLAB, some netizens accidentally discovered the upcoming vivo X Note Sunny Mountain Blue (plain leather) in the vivo mall. The phone is positioned as a business flagship ...[Details]
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An oscillator is an electronic component used to generate repetitive electronic signals. The circuit it forms is called an oscillation circuit. An electronic circuit or device that can convert dire...[Details]