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Function: Light up the eight LEDs on the board in sequence and display them in a cycle. The buzzer beeps once each time the cycle is displayed.
Schematic diagram:
Program Listing:...[Details]
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The 19th issue is about memory testing. Memory speeds are getting faster and faster.
Question 19-1 Which of the following statements about the required oscilloscope bandwidth is incorrect?
A. ...[Details]
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Many engineers use R&S spectrum analyzers, so what should we do if a problem occurs? It takes a long time to find the original manufacturer, and it is inefficient, and we dare not disassemble the mac...[Details]
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According to 91mobiles, the Redmi Note 11 series is Xiaomi's latest mid-range product series and will launch new mobile phone products on October 28. The Redmi Note 11 series will have three model...[Details]
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The Russian-Ukrainian conflict and the resulting fuel price spike got me thinking about how to get better gas mileage in my car. I considered buying a car that got better gas mileage, but I had rea...[Details]
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The development of industrial electronic control requires the ability to measure and precisely control the position, angle and rotation of equipment. These applications, such as assembly robots, surf...[Details]
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Today, the iQOO 5 series of mobile phones were officially released, including two models: iQOO 5 and iQOO 5 Pro. The iQOO 5 series uses a 6.56-inch AMOLED screen with a refresh rate of 120Hz. The i...[Details]
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Despite decades of research by neuroscientists, advances in treatments for brain diseases such as Alzheimer's and Parkinson's have been slow because the brain is the most complex and least understood...[Details]
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Heat Transfer
There are three basic links in the heat conduction of LED lamps: chip to epitaxy, epitaxy to package substrate, and substrate to heat sink or housing. The current problem of LED he...[Details]
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On November 8, according to official news from Wuling Motors, today, SAIC-GM-Wuling's new generation of hydrogen fuel cell electric pilot vehicle was officially unveiled. It is reported that SAIC-G...[Details]
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Recently, according to foreign media reports, Singapore's telecommunications regulator IMDA disclosed two new realmi devices on its website - realme 5i and realme C3, whose model numbers are R...[Details]
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We have probably all seen situations where we need to sweep frequency over time. If you encounter this problem, consider applications such as radar, where a signal is sent that is not only reflecte...[Details]
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On the afternoon of May 18, IC design company MediaTek held an online press conference to officially release the new generation of 5G mid-to-high-end SoC Dimensity 820. This series of chips uses a 7n...[Details]
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Many consumer product OEMs now produce electronic devices with ultra-low standby power consumption, but the real goal is to get as close to zero power consumption as possible. Two new high-voltage MOS...[Details]
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Introduction:
Today, there are three major development trends in electronic devices: using smaller geometry, reducing on-chip protection and adapting to changing application environments, whi...[Details]