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1. Purpose of writing This document is used to record the process of AT91SAM9260 LINUX learning. A previously developed 9260 core board is used for development. This core board is designed ba...[Details]
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LED lighting is the mainstream of energy saving in the world, and high-power LED lighting is the mainstream trend of lighting systems in the future. High-power LED has the characteristics of high b...[Details]
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; Flashing display waiting for subroutine to be entered ;Function: R1 points to the flashing bit address, waits for input, and returns the key value ; Occupancy: A, B, R0, R5 ;Entrance: R1 Exit: A...[Details]
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Mixers are often implemented using a diode bridge or a Gilbert cell. Both types of mixers use a local oscillator (LO) to jump the polarity of the radio frequency ( RF ) input.
When LO is positive, ...[Details]
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China Energy Storage Network News:
On March 24, State Grid Corporation of China held a mobilization meeting for the construction of the Fuzhou-Xiamen and Zhumadian-Wuhan 1000 kV UHV AC proj...[Details]
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What is a PIC microcontroller? PIC (Peripheral Interface Controller) is an integrated circuit (IC) used to control peripheral devices. It is a CPU with decentralized (multi-tasking) functions. Compar...[Details]
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Linear array speakers are called line source array speaker systems. They are composed of multiple speakers. Because they are very close, they are easily interfered when interlaced in the radiation ran...[Details]
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Teledyne e2v, a global imaging solutions innovator and a subsidiary of Teledyne Technologies , announces a new technology and industrial collaboration with Yumain (Dijon, France), a leading provider ...[Details]
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The current MCU market is divided into three parts, 8-bit, 16-bit and 32-bit cores (4-bit core MCUs are now quite rare, so they are ignored in this comparison). For each of these three parts, the siz...[Details]
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As the market is rushing to buy, as a consumer, you still need to be calm and make scientific analysis when choosing LEDs, and choose the light sources and lamps with the best cost performance. T...[Details]
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The timer in the PLC is equivalent to the time relay in the relay system. It has a set value register (one word length), a current value register (one word length) and an image register (one binary...[Details]
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1. ARM working mode User mode (usr): It belongs to the normal user mode and the normal program execution state of the ARM processor. Fast interrupt mode (fiq): used to handle fast interrupts for high...[Details]
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With the continuous improvement of people's living conditions and the enhancement of environmental awareness, most urban residents and enterprises and institutions now use centralized heating for heat...[Details]
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On November 15, Qualcomm Technologies launched a new flagship mobile platform - the second generation Snapdragon 8. Many OEM manufacturers and brands around the world will adopt the second generation...[Details]
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Soft starters and frequency converters are two types of electrical equipment widely used in the field of industrial automation. They have certain differences in functions, principles, applications,...[Details]