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CMX638 is a voice codec chip specially used in communication systems. This paper explains the basic structure and functions of CMX638, and gives the peripheral circuit design of the voice system ba...[Details]
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According to foreign media reports, the US Patent and Trademark Office officially announced a series of 71 new patents granted to Apple. One of them involves a new Apple mouse design - a deformable M...[Details]
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To realize the timing function, a relatively simple method is to use the timer/counter inside the microcontroller. You can also use the following three methods: 1. Software timing: Software timing ...[Details]
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As the process of digital intelligence in the supply chain of industrial enterprises accelerates, Fluke continues to deepen its efforts in digital channels. On the day of JD.com's 618 event, Hu Zuxin...[Details]
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0. Introduction The new Atmega328P chip I bought needs to have the bootloader and fuse burned into it before it can be used normally. Here is the process of burning. Reference 1 1. Hardware Confi...[Details]
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According to Counterpoint Research, India's smartphone market will hit an all-time high of 173 million units in 2021, up 14% year-on-year. Smartphone shipments are expected to exceed 100 million unit...[Details]
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This paper takes AT89S51 single-chip microcomputer as the core, proposes a design scheme based on DC motor speed regulation and speed measurement system, and then gives the main circuit structure of ...[Details]
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0 Preface Sensor technology is one of the key technologies in humanoid robot research. The reason why humanoid robots can complete certain tasks in known or unknown environments is that they can pe...[Details]
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1. References "STM32F1 Development Guide - Library Function Version" - Chapter 14 PWM Output Experiment "STM32 Chinese Reference Manual V10" - Chapter 14 General Timer 2. STM32 PWM workin...[Details]
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LED digital tube is a semiconductor light-emitting device that displays numbers and symbols. It has been widely used in digital instruments and electrical equipment. LED is composed of segments of lig...[Details]
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The order of configuring PVD is as follows: Note that PVD is usually enabled after system initialization is complete. /** * @brief Configures EXIT Lines. * @param None * @retval None */ ...[Details]
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After November 11, as the year draws to a close, the “Double Eleven” battle is approaching again. But this year's "Double 11" is very special - because it is the first "Double 11" after Alibaba Cha...[Details]
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Look around at the electrical appliances around you: desktop computers, laptops, printers, monitors, modems, stereos, TVs. Do they all really need 220 volts AC power? Then look at your power strip....[Details]
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When we use the power analyzer for testing, we select the appropriate synchronization source. If the synchronization source is not set properly, the measured value may be unstable or erroneou...[Details]
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The auto-coupling step-down starting control cabinet is an electrical device widely used in the industrial field, mainly used to achieve the step-down starting and normal operation of the motor. It...[Details]
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