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1. Is there any fixed relationship between bandwidth and sampling frequency? The sampling rate should theoretically meet the sampling law of Nongxiaoxiang, that is, each cycle of the highest frequenc...[Details]
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On the morning of May 24, South Korean media ETNEWS reported that the iPhone 14 will be equipped with a more expensive "high-end" autofocus front camera, and some products will be produced in S...[Details]
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After ARM is powered on, it starts fetching instructions from address 0 and executes them. When connecting to a bin file, the connection script lcd.lds specifies that head.o is placed at the beginnin...[Details]
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The U.S.-China trade war continues to rage, adding uncertainty to the semiconductor industry's peak season in the second half of the year. Semiconductor manufacturers such as Creative and GlobalWafer...[Details]
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Digital multimeters are popular among radio enthusiasts because of their advantages such as accurate measurement, convenient value acquisition, and complete functions. The most common digital multimet...[Details]
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Features
(1) Fast detection speed. Digital ultrasonic flaw detectors can generally automatically detect, calculate, and record. Some can also automatically perform depth compensation and automaticall...[Details]
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Haha, I'm so poor. I made a super simple board by myself but it doesn't have a power supply. I have to use my big development board. In fact, these two modules can be separated. They are wireless, yo...[Details]
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1. Application of radio frequency signal source Usually, the simple application of RF signal source is usually just the input frequency and power, plus some analog and digital modulation. However, to...[Details]
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Although beam control systems have been used for many years in imaging, display, and optical trapping, they all require bulky mechanical mirrors and are too sensitive to vibration. Compact optical ph...[Details]
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After I came into contact with STM32, I felt that I had met it too late. In its era, 51 had made great achievements in the field of embedded systems. But today, the battlefield here does not bel...[Details]
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In 2023, the North American magazine Newsweek evaluated 2,300 hospitals in 28 countries, mainly referring to the two dimensions of medical level and service quality. Six Brazilian institutions ...[Details]
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As the industrialization level of countries around the world continues to develop and improve, industrial enterprises in various countries are working hard to design, strengthen, improve and transf...[Details]
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In recent years, every time the Nobel Prize for Literature is awarded, "Haruki Murakami's runner-up" becomes a hot topic. In early 2006, Haruki Murakami won the "Franz Kafka" Prize, known as the "pre...[Details]
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Programming of buttons and digital tubes
AVR IO port input mode and pull-up resistor
Programming of Selecting Structure Statements and Key Query Methods
Basic principles of digital...[Details]
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Recently, the Dongguan Municipal Development and Reform Bureau issued the "Notice on Organizing the 2024 Dongguan New Energy Storage Demonstration Application and Public Service Platform Certificat...[Details]
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