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After the key is pressed for the first time, the buzzer sounds; After pressing the key for the second time, the buzzer stops. #include reg52.h sbit beep=P1^5; sbit key=P3^1; unsigned int mode; /...[Details]
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At the ICEPT 2021 International Conference on Electronic Packaging Technology held today, Professor Yu Daquan, Chairman of Xiamen Yuntian, delivered a keynote speech, pointing out that packaging tech...[Details]
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On September 12, the "New Energy Vehicle Power Battery Testing and Maintenance Specification" standard release conference was held at the Machinery Industry Press, hosted by the China Automobile Maint...[Details]
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The two tricks we learned above, controlling IO and delay, the first example to be given here is LCD1602. What does LCD1602 mean? It means that one line can display 16 characters, and there are two li...[Details]
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1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
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Through the "bond" of software and hardware integration, I have met many friends in the automotive industry. In the past six months, I have had in-depth discussions with many big names in the automot...[Details]
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From November 20 to 21, the "2019 China Safety Industry Conference and the 3rd Traffic Safety Industry Summit" hosted by Cheyun.com and co-organized by Electric State was held in Foshan City, Guangdo...[Details]
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Central topics:
The composition of electronic ballast
Sources and Impacts of Electromagnetic Interference in Electronic Ballasts
Measures to Suppre...[Details]
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At the beginning of the new year, 1,000 km range and solid-state battery technology have become hot topics in the new energy industry. According to information from the State Intellectual Property Of...[Details]
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To control brightness, light-emitting diodes (LEDs) require a constant current. This is achieved by placing a resistor in series with a group of LEDs. Since both the voltage across a group of LEDs ...[Details]
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IT Home reported on February 27 that on February 13, Lei Jun officially released the Xiaomi Mi 10 and Mi 10 Pro phones to the public. The Xiaomi Mi 10 series phones are equipped with the late...[Details]
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On October 31, CATL announced that it had signed a memorandum of understanding on global strategic cooperation with Vietnamese car company VinFast. According to the Securities Times, "Ningwang" has j...[Details]
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Consumers are increasingly using smartwatches and other wearable devices to measure their heart rate and rhythm during exercise and for overall health monitoring. However, these measurements may be l...[Details]
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1. The problem of 5V output of switching power supply
People often complain that their designed systems have no problems when they are debugged and aged in the laboratory or production wor...[Details]
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According to foreign media reports, on October 21, local time, IONETIC, a British electric vehicle (EV) battery technology startup, announced the launch of Arc, the world's first software-accelerat...[Details]
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