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News on the morning of May 12: There have been a lot of rumors recently about Apple’s upcoming high-end headphones. Today, the latest news is that this headset may have a detection function si...[Details]
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LED (Light Emitting Diode) is a solid-state semiconductor device that can directly convert electricity into light. The heart of an LED is a semiconductor chip. When current acts on this chip t...[Details]
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The power amplifier, commonly known as the "loudspeaker", is the most basic device in the audio system. Its task is to amplify the weak electrical signal from the signal source (from the mixing con...[Details]
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The latest data from the China Association of Automobile Manufacturers shows that in 2022, my country's automobile production and sales will reach 27.021 million and 26.864 million respectively, up...[Details]
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It is common to measure current signals with a fixed bias voltage. Related applications include: carbon monoxide (CO) concentration meters, blood glucose meters, etc. This type of application is wi...[Details]
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Analog applications such as testing, calibration, and general system operation often require sine waveforms with accurate amplitude and frequency and very low THD (total harmonic distortion). Some ...[Details]
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The traditional forward and reverse control circuit of the motor is quite complex, but the function is quite simple. The author recently purchased a multifunctional forward and reverse controller fo...[Details]
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Recently, Leju announced that it has successfully delivered the first batch of high-dynamic humanoid robots. This robot can be equipped with the open source Hongmeng system, which will bring new ch...[Details]
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As a professional communication module manufacturer with the highest shipment volume in China, China Mobile OneMO has always adhered to the brand belief of "stable supply of high-reliability and cost...[Details]
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Introduction to STM32 DAC The large-capacity STM32F103 has an internal DAC. The battleship STM32 selected is the STM32F103ZET6, which is a large-capacity product, so it has a DAC module. The ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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1 Introduction
LED (light emitting diode) display screen is composed of light emitting diode array. Light emitting diode (LED) is a current control device with the advantages of high brightnes...[Details]
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Today I learned about the NandFlash driver. The hardware operation is very simple, but the driver under Linux is more complicated. It is mainly a problem with the MTD layer. I spent an afternoon to c...[Details]
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On January 11, the Zhejiang Regulatory Bureau disclosed the public filing documents for coaching of Hangzhou Guoxin Technology Co., Ltd. (hereinafter referred to as Guoxin Technology). It was disc...[Details]
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Abstract: Converting multi-byte unsigned binary numbers to BCD codes is widely used in smart meters with microcontrollers as the core. This article introduces a new conversion method and gives t...[Details]