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After several days of hard work, I finally built an apache+sqlite+php platform on the arm-linux platform. There are a lot of information about apche and sqlite on the Internet, but there are very few...[Details]
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Enabling computing everywhere
New changes in the storage industry: digital storage and computing innovation
近年来,我们见证了5G、云计算、边缘计算等技术的显著进展,也对万物智能、自动驾驶、Web 3.0、元宇宙等新兴技术的应用充满了期待...[Details]
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Due to the incomplete traffic infrastructure and the lack of police resources, various traffic problems occur frequently in my country. In order to solve various traffic problems and promote the inte...[Details]
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Linear Technology Corporation introduces the LT3514, a triple-output, 36V step-down switching regulator with 100% duty cycle operation. The LT3514 can provide 2A of continuous output current from one...[Details]
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Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, new material technology, etc. They have a complex structure with multiple...[Details]
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1 Introduction
The tax control system is the "POS electronic tax control system", which is an electronic information network composed of POS machines, Golden Tax Cards/IC cards, card readers, ...[Details]
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First the circuit diagram: Let's talk about PCBLAYOUT first: As we all know, EMC has particular requirements for ground routing. The primary ground wire of PSR can be divided into 4 ground wires, a...[Details]
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Skeleton Technologies, an Estonian supercapacitor specialist, has announced that together with the Karlsruhe Institute of Technology (KIT) in Germany, it is developing a new breakthrough graphene bat...[Details]
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PWM Dimming (Pulse Width Modulation) is currently the most common and best grayscale adjustment method for LEDs. PWM is easier to understand, which is to control the ratio of the time when the LED ...[Details]
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Mouser Electronics, Inc., the authorized global distributor with the newest semiconductors and electronic components, is now stocking the DA14531 SmartBond TINY system-on-chip (SoC) from Dialog Semic...[Details]
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Five factors that must be considered when purchasing a full-color LED display
1. Failure rate
Since the full-color display screen is composed of tens of thousands or even hundreds of thousands ...[Details]
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vmalloc vmalloc_init for_each_possible_cpu(i) { // Linked list of vfree_deferred type variables and work task free_work // free_work is used to delay the asynchronous release of vmalloc memor...[Details]
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There are many varieties and models of pointer multimeters, but their working principles are basically the same or similar. Its biggest display feature is that the measured value is indicated by the ...[Details]
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"By the end of 2022, the number of active IPv6 users will reach 700 million, the number of IoT IPv6 connections will reach 180 million, the proportion of fixed network IPv6 traffic will reach 13%, an...[Details]
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Devices feature peak output currents up to 4 A, operation up to +125 °C, and propagation delays as low as 200 ns
MALVERN, Pennsylvania, USA, Shanghai, China — October 24, 2024 — Vish...[Details]