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On September 16, vivo NEX 3 was officially released. The phone uses a 6.89-inch borderless waterfall screen with an ultra-high screen-to-body ratio of 99.6%. Excluding the actual material cost, the t...[Details]
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1. Processor mode 1.1. Privilege Level The ARMv7 architecture supports security extensions. If security extensions are enabled, the ARMv7-A architecture is divided into two worlds: secure mode (Secur...[Details]
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As LED materials continue to improve,
brightness
, power consumption and heat also increase. In particular, the greatly increased heat needs to be removed as quickly as possible, otherwise it wil...[Details]
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China Energy Storage Network News:
The 19th CPC National Congress pointed out that it is necessary to strengthen the construction of infrastructure networks, including power grids, and enhanc...[Details]
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I have used the DS18B20 temperature sensor on an AVR microcontroller before. Now I need to use it on the STM32F103 platform. I made corresponding modifications based on the original code. The prob...[Details]
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According to Juheng.com, TSMC held a legal briefing today (14) and announced that its capital expenditure this year will reach US$25 billion to US$28 billion, far higher than the US$22 billion origin...[Details]
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In the design of modern electronic systems, programmable logic devices have been widely used due to their excellent performance and flexible and convenient upgrade characteristics. Since large-...[Details]
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QuantumBit Think Tank released the "
Smart
Driving 2023 Annual Report", in which some valuable frameworks are proposed. At present, China's smart driving technology is evolving rapidly, and...[Details]
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In any era, core technology determines the competitiveness of an enterprise. The reason why those century-old enterprises can stand firm in the fierce market competition is precisely due to the acc...[Details]
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According to foreign media reports, the Japan Advanced Institute of Science and Technology (JAIST) uses bio-based polymers to make stable negative electrode materials, which can greatly speed up the ...[Details]
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A full bridge is an oscillator composed of four transistors or MOS tubes . Compared with a full bridge circuit, a half bridge circuit is prone to interference when performing circuit oscillation conv...[Details]
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Microphones are already standard components built into many electronic products, from wearables to home assistants, and more and more devices are required to "hear" their environment and react acco...[Details]
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Because the sonic Venturi nozzle has the advantages of simple structure, small size, stable performance, good repeatability and high precision, it is used as a gas flow transmission standard and is wi...[Details]
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armv6 linux has 5 cache strategies, corresponding to three categories // The three major categories are determined by two bits of the C1 register in cp15 // P740 bit (C) and bit (W) W C 1. uncac...[Details]
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This circuit uses CD4093 to form a low-frequency and high-frequency oscillator . It also realizes modulation. The oscillation frequency can be adjusted to high and low frequencies through RPI and RP2...[Details]
PCB Design
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