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MoFirLeeWhen you hear Macintosh, you may feel a little strange. In fact, it is the full name of the current Mac series of products, but it was shortened to Mac after 1998. On January 24, 1984, Appl...[Details]
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Not long ago, a Waymo driverless taxi and a cyclist had an accident in San Francisco. The accident occurred around 3 pm local time. After the accident, the cyclist was not seriously injured and did...[Details]
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For OLED lighting to reach the level of fluorescent lamps in terms of efficiency, its power efficiency must reach at least 70lm/W. Although OLED lighting devices with an efficiency of about 100lm/W...[Details]
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There are two concepts of priority in STM32 (Cortex-M3) - preemptive priority and response priority. Some people call response priority "sub-priority" or "sub-priority (this concept is supplemented b...[Details]
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China Energy Storage Network News:
On December 24, at the site of the 110 kV power transmission and transformation project in Shuanghu County, Nagqu City, Tibet, as the construction workers t...[Details]
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The job of a DC-DC switching converter is to efficiently convert one DC voltage to another. High-efficiency DC-DC converters use three basic technologies: buck, boost, and buck/boost. Buck converte...[Details]
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"To quickly and steadily advance the construction of China's new digital infrastructure, we must simultaneously consolidate digital R&D and digital factories, and this is the core value of Siemens Di...[Details]
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;30H stores the column number, 31H stores the row number, and 32H stores the key value. To change the keyboard value arrangement, you can change the value of the following TAB.
;Program idea, first a...[Details]
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Profound Positioning Inc., a navigation and positioning software expert, has launched an Instant Vehicle Tracking (IVT) solution using advanced multi-sensor fusion technology that achieves continuous...[Details]
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The program source code is as follows: /* 8 digital tubes display 8~F in a cycle */ #include reg51.h typedef unsigned char uint8; typedef unsigned int uint16; code uint8 LED_CODE = {0x80,0x90,...[Details]
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1) When the PLC is in RUN mode, K20 is sent to the preset value register SV100. If the reset behavior is OFF at this time, K20 in SV100 is sent to the elapsed value register EV100.
2) Ev...[Details]
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This circuit produces a very high voltage and must be used with caution to prevent electric shock. The transformer can produce over 1000V and the 8-stage voltage multiplier can produce up to 20KV DC ...[Details]
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Microwave radiometer is a microwave receiver that uses microwaves for remote sensing and thus detects ground objects. It is widely used in detecting the atmosphere, ocean, vegetation and soil. As...[Details]
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Recently, we received a N5230C repair and the customer reported that the fault was that the machine crashed when it was turned on and the test system could not be entered. Some time ago, we repaired ...[Details]
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Foreign media reported that Parker Hannifin, a motion and control technology company, launched the LORD Force Feedback Device (FFD). This is an integrated solution that combines a steering sensor, ...[Details]
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