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This paper introduces a simple method to realize multiple LED digital tube display by using a parallel port of 89C52 single-chip microcomputer. The hardware circuit structure schematic diagram and ...[Details]
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Foreign media have exposed the parameter configuration information and renderings of OPPO's new phone OPPO A9 2020, allowing people to get a glimpse of the true appearance of this new phone in a...[Details]
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AC motors and DC motors are two different types of motors, and their working principles and applications are also different.
AC motors are motors that use AC power to automatically chang...[Details]
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On February 21, the Political Bureau of the CPC Central Committee held a meeting and pointed out that "we should increase the start-up of new investment projects and speed up the construction progr...[Details]
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The immersion level meter is based on the principle that the static pressure of the measured liquid is proportional to the height of the liquid. It uses the piezoresistive effect of diffused silicon ...[Details]
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The figure shows a simple series type adjustable voltage regulated power supply, the output voltage can be continuously adjusted between 3~9V, the maximum output current can reach 100MA, suitable for...[Details]
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Recently, the Beijing Regulatory Bureau disclosed the basic information table of China International Capital Corporation Limited's guidance on the initial public offering and listing of Lingyun Techn...[Details]
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The figure shows the basic application circuit of the W317 three-terminal adjustable positive
integrated voltage regulator
.
The circuit W317 shown in the fig...[Details]
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Recently, the 3MW distributed photovoltaic power generation project in Zhucheng Heping Industrial Park, Weifang City, assisted by Chuangdong Technology's dedicated inverter for industrial and commerci...[Details]
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Introduction
The real-time embedded system VxWorks of WindRiver Company of the United States and the MPC860 series processors of Motorola Company of the United States have been widely used in...[Details]
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General Motors and Wolfspeed, Inc. today announced a strategic supplier agreement for Wolfspeed to develop and provide silicon carbide (SiC) power device solutions for GM’s future electric vehicle pr...[Details]
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hardware When an IRQ is detected, the following actions are performed: R14_irq = address of next instruction to be executed + 4 SPSR_irq = CPSR CPSR = 0b10010 /* Enter IRQ mode */ CPSR = 0 /*...[Details]
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South Korea's SK Hynix Inc said on Thursday it is working on a supply plan for next year's high-capacity memory (HBM) chips as customers are bringing forward their product plans to ride on the arti...[Details]
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In recent years, with the increasing tension of global energy issues and the global ban on the sale and production of incandescent lamps, energy-saving and environmentally friendly LED lighting has s...[Details]
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On November 6, at the Xiaopeng
AI
Technology Day event,
Xiaopeng Motors
Chairman and CEO He Xiaopeng delivered a speech, announcing that starting from this year, Xiaopeng Motors has...[Details]