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The microcontroller source program is as follows: #include reg52.h #include intrins.h #define uhar unsigned char #define uint unsigned int sbit key1=P3^2; // press key1 to switch patterns ...[Details]
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Ultrasonic hardness testers can be adapted to workpieces of any shape and size on site, and are widely used in mechanical processing, steel, automotive parts, aerospace, petrochemical, electric power,...[Details]
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The new Redmi K20 flagship product will be officially released in Beijing on May 28, and the promotional poster of the phone has now been exposed online. The Redmi K20 series will have two ver...[Details]
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At 14:12 on December 31, coinciding with the end of the year, the Huzhou Integrated Smart Zero-Carbon Power Plant (Phase I) project of Zhejiang Branch was officially connected to the grid and put i...[Details]
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Pointers are a relatively difficult topic in C language. Keil C51 has some differences in pointers from standard C. Today I read some materials and learned about the use of pointers in Keil C51. ...[Details]
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Today, drivers can communicate with other drivers and pedestrians in a variety of ways, including using lights and hand gestures. But what if the car is not behind the wheel?
With the ri...[Details]
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A few days ago, multiple sources pointed out that Lenovo founder Liu Chuanzhi was about to step down as chairman of Lenovo Holdings. On the evening of December 18, Lenovo Holdings issued an announcem...[Details]
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Key points: Understand and be familiar with the procedures of scattered transfer structure
?XML:NAMESPACE PREFIX = O /
; Operation result: Press P3.2 or 3.3 (any keyboard of the lower 4 digit...[Details]
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The overload capacity of thyristors is poor, and short-term overvoltage or overcurrent may cause them to be damaged. Appropriate protective measures should be taken. Overcurrent protection Insert a...[Details]
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"As long as my phone still has power, loneliness can do nothing to me." From this sentence, we can see that people are becoming more and more dependent on mobile phones. There is no way, who said tha...[Details]
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The ADC interrupt reading method is suitable for low-frequency ADC acquisition, while high-frequency AD acquisition must use DMA. The initialization function of ADC interrupt reading only adds an int...[Details]
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Judging from the Chinese economic data for the first quarter released by the National Bureau of Statistics a few days ago, under the influence of the new crown epidemic, the gross domestic product in...[Details]
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AJAX uses asynchronous calls to refresh local pages and creates a variety of applications based on browsers to provide users with a good interactive experience.
Given AJAX's extraordinary user expe...[Details]
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This experiment will make a simple passive infrared anti-theft alarm. The alarm consists of infrared transmitter, receiver, buzzer and LED indicator. Under normal circumstances, the green LED flashes ...[Details]
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Beijing, October 26, 2024 /PRNewswire/ -- On October 24, CATL launched the world's first hybrid battery with a pure electric range of more than 400 kilometers and 4C supercharging in Beijing - the ...[Details]
Power technology
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