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On June 15, 2019, the 2019 International "5G & Semiconductor" Industry Summit was grandly held at the Shenzhen Convention and Exhibition Center. As China's core IoT security chip manufacturer, Nation...[Details]
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According to foreign media reports, a team from the CMT-Thermal Institute of the Polytechnic University of Valencia (UPV University) in Spain has proposed a new architecture that is working to achiev...[Details]
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As 5G networks begin to be commercialized around the world, Android phone manufacturers such as Huawei and Samsung are planning to launch their own 5G phones in the second half of the year, an...[Details]
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The gateway device uses 220V AC power supply, and the power module directly uses a stable brand switching power supply. The switching power supply outputs 5V voltage to supply the power demand of t...[Details]
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For single-chip microcomputers or embedded systems, buttons are indispensable. I remember when I first started learning 51 single-chip microcomputers, I first came into contact with the button s...[Details]
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The following content is in stm32f4xx_gpio.h /** @defgroup GPIO_Alternat_function_selection_define * @{ */ /** * @brief AF 0 selection */ #define GPIO_AF_RTC_50Hz ((uint8_t)0x00)...[Details]
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Reference: sh-t 3104-2013 Petrochemical Instrument Installation Design Specification. General provisions for installation of instrument equipment: 1. The installation location of on-site installation...[Details]
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__irq is a flag used to indicate whether a function is an interrupt function. For different compilers, the position of __irq in the function name is different, for example:
In ADS compiler: void __ir...[Details]
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The 51 microcontroller is a basic entry-level microcontroller, and it is also the most widely used one. This article mainly introduces the 51 microcontroller timer/counter. First, it introduces the w...[Details]
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Semiconductor principle: Semiconductor gas sensors are based on metal oxide semiconductor materials. When the redox state of the air changes in th...[Details]
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In the next two to three years, the Internet of Things will be an important figure behind all fields, including emerging fields such as smart manufacturing, smart cities, Internet of Vehicles, and ...[Details]
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Smart grid is built on the basis of integrated, high-speed two-way communication network, aiming to realize the efficient operation of power grid in a reliable, safe, economical, efficient, env...[Details]
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Designing power converters is challenging, primarily because of
limited
board
space. To reduce the size of the converter, the frequency must be increased. This allows for the use of smaller ...[Details]
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a. Principle of luminescence of single-color dot matrix and double-color dot matrix
1) Monochrome dot matrix
The equivalent diagram of monochrome LED dot matrix is as follows:
The 8X8 ...[Details]
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1 Introduction
Since the first digital signal processor (DSP) chip was introduced in the early 1980s, DSP has brought great opportunities for the development of digital signal processing w...[Details]
PCB Design
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