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Ultrasonic waves are sound waves with a frequency higher than that audible to the human ear (20Hz to 20KHz). Ultrasonic waves are waves, so they obey the laws of wave transmission during transmissi...[Details]
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UPS (Uninterruptible Power System) is a constant voltage and frequency uninterruptible power supply with energy storage device and inverter as the main component. It is mainly used to provide uninter...[Details]
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The circuit is very simple. The 8-bit running light is connected to the P1 port of the microcontroller. The source code is as follows:
//================================================ =========...[Details]
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The US Patent and Trademark Office officially published 51 new patents granted to Apple today. In this article we will talk about the 3D shaped fabric items and accessories patent. Apple's newly gra...[Details]
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1: STC15W204S series has 8-pin and 16-pin. For specific applications, please refer to the STC15 series microcontroller manual. 2: STC15W401AS series includes SOP16, SOP20 and SOP28. For specific ...[Details]
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Bourns® SM91872AL Transformers are manufactured using a fully automated overmolding process.
Providing high quality and cost-effective power isolation solutions
September 19...[Details]
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In the past two years, various noise-canceling headphones have become popular on the market. Merchants claim that these headphones can use chips to offset or reduce external noise to protect hearing....[Details]
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Abstract: When using a digital oscilloscope to measure waveform parameters, we often encounter inconsistent results between "cursor measurement" and "automatic measurement". Which one is more accur...[Details]
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EPC launches new ePower™ IC to increase power density and simplify design in different power budgets Efficient Power Conversion Corporation (EPC) has expanded its family of package-compatible...[Details]
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Apple has just released an internal beta of its new iPhone operating system, 13.4, and someone has discovered a key new feature called "CarKey." According to the technicians, this function will sup...[Details]
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Employees of the Galeries Lafayette department store in Paris are the first to experience the self-driving taxi service provided by Mobileye and RATP Group. At night, an autonomous vehicle from ...[Details]
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When it comes to
LED
drive accuracy, constant current error usually comes to mind. In fact, drive accuracy is not limited to current accuracy.
LED
is a typical current-driven de...[Details]
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1. Drafting Background
On March 4, 2020, the Standing Committee of the Political Bureau of the CPC Central Committee studied the inclusion of new energy vehicle charging piles as one of th...[Details]
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0 Introduction
Pollution from the papermaking industry is one of the main sources of industrial pollution in the world. More than 80% of the pollution load in the pulp and paper industry c...[Details]
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First, the ARM pseudo instructions include:
ARM machine code
Define class directive
Operation directives
ARM machine code:
In fact, any processor ...[Details]
Analog electronics
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