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The circuit diagram of the digital tube module of the development board is as follows: The digital tubes on the development board are connected in common cathode. The P0 port controls the segment s...[Details]
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The main reason for the damage of metal components and parts is fatigue failure caused by various micro- and macro-mechanical stress concentrations. Its basic characteristics are that when the mate...[Details]
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In the CW4.6 environment, there are two main ways to program interrupts:
The first is to use the "interrupt" keyword. The "interrupt" keyword is a non-standard ANSI-C keyword, so it is not supp...[Details]
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LED devices are easily damaged by EOS, which can sometimes directly damage the device and cause it to fail. This article discusses two EOS protection solutions, one is to use TVS voltage regulator ...[Details]
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1. Development environment Operating system: fedora14 Opencv version number: 2.0 Qt version number: 4.7 arm:mini6410 Cross-compilation tool: arm-linux-gcc-4.5.1 2. Installation and Configuration Li...[Details]
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Abstract: This paper introduces two methods for low-level access to PCI devices in the VB development environment: one is through the use of a dynamic link library (DLL) written by the user, and...[Details]
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Since 2010, the U.S. Environmental Protection Agency (EPA) and the Department of Energy (DOE) have successively
issued Energy Star
®
and Lighting Facts standards for
LED
light source...[Details]
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PMS-80 is the product of more than ten years of research and manufacturing experience of Yuanfang Company in monochromator spectrometers combined with modern technology. This new spectrometer has g...[Details]
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Bimetallic thermal protector is a commonly used device to protect motors, and it is also widely used in washing machine motors. Bimetallic thermal protector is mainly composed of two layers of meta...[Details]
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vector network analysis Network analysis refers to the process by which designers and manufacturers measure the electrical performance of all components and circuits in more complex systems. When...[Details]
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At present, there are three major manufacturers that use full valve control systems in mass-produced cars, namely
BMW
,
Infiniti
and
Fiat
. They achieve stepless changes in valve timing...[Details]
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1. Limiting filter method (also known as program judgment filter method) A. Method: Based on experience, determine the maximum deviation allowed between two samples (set to A). Every time a new value...[Details]
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Bootloader is the first piece of code that runs after the embedded system is powered on. For processors with simple functions, there may be no concept of Bootloader, but for application processors, t...[Details]
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MR16 lamps are a type of multi-faceted reflector lamps, widely used in commercial retail and home decorative lighting. Since they usually use halogen filaments as light sources, they have many disadv...[Details]
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From October 14 to October 20, Sunwoda Power will present its core products at the Paris Motor Show, one of the world's five major auto shows; at the same time, its manufacturing base in Hungary wi...[Details]