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1. Major device number and minor device number (the two together are the device number):
A character device or block device has a major device number and a minor device number. The major devic...[Details]
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Hardware platform: STM32F103ZET6; Development environment: KEIL 4; Let's talk about the application communication mode first. The working mode of the serial terminal is similar to that of the DWIN s...[Details]
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Recently, an Uber self-driving car hit a woman crossing the road at a speed of 65 kilometers per hour on a street in Tempe, Arizona, USA. The woman died shortly after being sent to the hospital. T...[Details]
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TDA8902J digital power discharge principle diagram: Figure 3 is the TDA8902J digital power discharge principle diagram. In the figure, Rosc is the timing element that determines the oscillation fre...[Details]
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/************************************************************************************** * Static digital tube display experiment * Implementation phenomenon: After downloading the p...[Details]
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At present, emerging technologies such as new energy vehicles and
industrial robots
are accelerating their penetration and application, and traditional industries are also actively carrying...[Details]
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This paper introduces the design and production of a portable power system with strong versatility and low cost. The system has two power supply modes. It can be powered by an external power supply...[Details]
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In today's digital age, almost everyone can't live without a mobile phone. The basic function of a mobile phone is of course communication, but for a large group of people, it is also a portable ga...[Details]
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A remote data acquisition system was developed to solve the problem of uploading data from naval outposts in remote areas. The system uses GPS (Global Positioning System) and GIS (Geographic Info...[Details]
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Migration environment 1. Host environment: CentOS 5.5 under VMare, 1G memory. 2. Integrated development environment: Eclipse IDE 3. Compilation environment: arm-linux-gcc v4.4.3, arm-none-eabi-gcc v4...[Details]
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OLED display technology is a comprehensive technology that integrates multiple fields and disciplines, covering semiconductors, organic chemistry, inorganic chemistry, thin-film electronics, vacuum p...[Details]
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Recently, in order to support the development of the integrated circuit design and software industries, the Ministry of Finance’s official website issued an announcement on the corporate income tax p...[Details]
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0 Introduction
CDMA (Code Division Multiple Access) wireless network has the characteristics of wide coverage, high efficiency and low cost. The data transmission rate of CDMA network can reac...[Details]
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1 Introduction
Information appliances (3C or IA) are no longer a strange name to people. They are innovative products that combine computer, telecommunication and electronic technologies with ...[Details]
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LIS2DW12 is an ultra-low power 3D accelerate sensor in ST's second-generation MEMS family. It is often used in miniaturized wearable products such as rings and headphones. Among them, implanting 3D...[Details]
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