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0 Introduction A charge-coupled device (CCD) is a miniature image sensor that uses electric charge as a signal carrier. It has the functions of photoelectric conversion and signal charge storage, tra...[Details]
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Introduction: ARM microcontrollers are the entry point for most novices, but due to lack of knowledge, novices often encounter problems of one kind or another during the design process. ARM abnormal ...[Details]
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The 2022 China International Fair for Trade in Services (hereinafter referred to as "CIFTIS") with the theme of "Service Cooperation Promotes Development, Green Innovation Welcomes the Future" was gr...[Details]
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Yuan Rong Qixing is throwing away the "crutch" of autonomous driving. At eight o'clock in the morning, Yuanrong Qixing engineer was sitting in a vehicle equipped with an advanced autonomous driving...[Details]
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When magnetic flap level gauges were first introduced, they were installed and used in positive pressure environments. Usually, the level measurement of open liquid media, such as water and sewage, is...[Details]
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China is fully implementing its high-tech industrial policy in a joint government-private partnership. In the field of "new energy vehicles", after on-board batteries, competitive enterprises have em...[Details]
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Lithium-ion rechargeable batteries are new high-energy batteries developed in the 20th century. Compared with traditional nickel-cadmium batteries and nickel-metal hydride batteries, they have the ...[Details]
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LEDs are widely used in indicator lights, large billboards, scanners, fax machines, mobile phones, car lights, traffic lights, etc. due to their long life and low power consumption. However, in ter...[Details]
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In recent years, KTV entertainment mode has undergone significant changes, resulting in the popularization of the mode of using pre-effects with post-amplifiers, which has triggered the "karaoke ef...[Details]
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With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the inter...[Details]
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On December 20, the latest products in the iQOO Neo series, iQOO Neo5S and iQOO Neo5 SE, were officially released. "Powerful Dual-Core 2.0" iQOO Neo5S has added the concept of "powerful d...[Details]
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Abstract: The hardware composition and key unit design method of a high-precision, high-stability, multi-task DC motor speed measurement and control system based on 89C51 single-chip microcomputer ...[Details]
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How to distinguish good and bad home audio systems
"Because the set of speakers in my home is a famous brand!", "Because the set of speakers in my home looks good!"... Then, some peopl...[Details]
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Waveform data saves the main value of the data, and also saves the timestamp when the first data point was collected, the delay time between data, and the data description. Waveform has obvious advant...[Details]
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1. Interruption The figure above is a schematic diagram of the interrupt process. The request source that generates the interrupt is called the interrupt source, and the processing request made by ...[Details]