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Previously, OPPO Vice President @沈义人Brain said that the OPPO Reno standard version has a 3.5mm audio jack, while the 10x hybrid zoom version does not. Just now, Shen Yiren gave the reason why...[Details]
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Today, a domestic digital blogger posted a photo of the tempered glass film of Xiaomi MIX 4. From the tempered glass film, it can be seen that there are no holes on the front of MIX 4, the curvature ...[Details]
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1 Introduction
Ultrasonic technology is an important method of non-destructive testing. Many digital flaw detectors are based on single-chip microcomputers (MCUs). The inherent performance bot...[Details]
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DHT11 driver reference http://www.51hei.com/bbs/dpj-112282-1.html http://www.51hei.com/bbs/dpj-38067-1.html 1602 driver reference http://www.51hei.com/bbs/dpj-24671-1.html /******************...[Details]
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/************************************************************** ;eeprom.c ; Example of reading/writing atmega8515 internal EEPROM ; write data 0....9 into eeprom, then read it out and display it with...[Details]
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SSDs are going to be dirt cheap. For a long time, the price of SSDs has been declining continuously, with a huge drop. However, the more the price drops, the fewer people buy them. It seems that th...[Details]
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Recently, a new patent from the World Intellectual Property Organization revealed Tesla's next-generation active suspension system, and the new suspension will be much more complex than the current a...[Details]
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Current probes are widely used. The basic principle is that the current flowing through the wire will generate a magnetic field around it. The current probe converts the magnetic field into a corresp...[Details]
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This stereo audio switch circuit allows selecting one of four stereo channels with only one switch. The internal switch can be implemented with CMOS components.
Each switch input include...[Details]
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vmalloc initialization process The fifth stage establishes vmalloc Lifetime of vmalloc After vmalloc_init is completed - no end The size of memory managed by vmalloc It can be said that all the m...[Details]
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From dizziness to underexposed photos, flicker affects people in many ways. Solid-state lighting (SSL) has been recognized by the lighting industry as the energy-efficient light source of the prese...[Details]
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Recently, Santak (hereinafter referred to as "Santak"), a subsidiary of Eaton Corporation, a diversified industrial product provider, announced that it will gradually upgrade the performance parameter...[Details]
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In order to reduce labor costs, HP decided to readjust its corporate structure, cutting 7,000 to 9,000 employees through layoffs or voluntary early retirement, and estimated that it would save the co...[Details]
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When using the stm32f030f4 chip, the serial port and internal flash reading and writing are used. Whether the serial port (interrupt mode and query mode) or flash reading and writing, there is no ...[Details]
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First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]
Power technology
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