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Use 4 buttons to control the content displayed on the digital tube
#include reg51.h
#define duan P0 //segment selection
#define wei P2 //bit selection
unsigned char code wei1 = {
0xfe,0xfd,0xfb,...[Details]
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Apple just launched new news and music services at its spring conference last month, but it is suspected of violating antitrust laws in Europe and is currently under investigation. According to a r...[Details]
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At present, the inverter power supply powered by batteries generally consists of two stages. The front-stage DC/DC circuit converts the battery voltage into a DC voltage of about 350V, and the rear...[Details]
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As nanotechnology advances, research has progressed to the atom-by-atom molecular level, creating new structures with entirely new properties. In particular, the field of nanoelectronics is develop...[Details]
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Recently, the development of the pneumonia epidemic caused by the novel coronavirus has touched the hearts of all Chinese people. As a key state-owned enterprise related to national energy security...[Details]
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At noon on January 13, chip foundry giant TSMC released its fourth-quarter financial report for fiscal year 2021 ending December 31. The financial report shows that TSMC's consolidated revenue in the...[Details]
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Corefree Semiconductor, a leading company in the domestic EDA and filter industry, recently successfully held its 2021 National User Conference in Shanghai. This conference, co-organized by the Shang...[Details]
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No one knows whether Apple is actually making cars, but Tesla is indeed about to be "hollowed out" by Apple. On March 31, Michael Schwekuch, Tesla's vice president of engineering, joined Apple's Sp...[Details]
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A complete PLC program is not as simple as just making the system run. It also requires complete annotations, sophisticated architecture, good scalability, a complete alarm protection system and s...[Details]
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The RSS (Rutronik System Solutions) portfolio has been expanded with the CO2 Sensing Adapter Board RAB2.
This board is a unique way to showcase two ultra-modern
sensor
products from I...[Details]
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0 Introduction
Magnetic bearings are bearings that support rotating bodies completely contactlessly with magnetic force. In a broad sense, they are bearings that can support linear motion ...[Details]
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Based on actual conditions, this article proposes appropriate solutions for overvoltage protection needs in UPS applications.
1. Changes in the concept of overvoltage protection
W...[Details]
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Honor officially announced that the Honor X30 will be released on December 16. Honor Mobile released a pre-heating poster for the X30 series of mobile phones today. From the content of the pos...[Details]
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According to Reuters, citing people familiar with the matter, in response to the US blacklist sanctions on Huawei, some world-class technology companies including Intel, Qualcomm, Interdigital and So...[Details]
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Recently, Huiyang District held an authoritative interview activity on studying and implementing the spirit of the Third Plenary Session of the 20th CPC Central Committee at the Huiyang District Scien...[Details]
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