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Along with the preheating of Xiaomi mobile phones on the official Weibo, Xiaomi recently officially released the world's first 30W super wireless flash charging, which can charge a 4000mAh battery to...[Details]
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On December 21, the "Proposal of the Guangzhou Municipal Committee of the Communist Party of China on Formulating the 14th Five-Year Plan for National Economic and Social Development of Guangzhou and...[Details]
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#include atmelat89x52.h #include string.h #define comdir P3_2 #define wirespeaker P1_3 #define wiret0 T0 #define wiret1 T1 #define adr_delay1s 0x1086 #define adr_print10ms 0x1000 #define adr_print8...[Details]
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Install 51 and ARM KEIL separately, they are in different folders, in order to extract the C51 folder. Then the question is, can they be installed in the same folder? Theoretically it works, but I ha...[Details]
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In measuring power supply noise, we face various challenges, including RF interference and signal-to-noise ratio (SNR). Next, let's look at how to achieve high bandwidth in the measurement while mini...[Details]
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According to a report from The Wall Street Journal, Apple is developing in-screen fingerprint technology for the iPhone 13, a feature that will serve as a secondary biometric option alongside Face ID...[Details]
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1) All addresses accessed through the MMU page table are called virtual addresses. Once the MMU is enabled, all addresses iss...[Details]
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Theoretical knowledge Debugging process The debugging process is like this: stop the core, query information, and let the core continue running Let's see how kgdb does it kgdb: To stop the core:...[Details]
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Avnet (NASDAQ: AVT ) , a leading global technology solutions provider, has partnered with Alibaba Group, one of the world's largest e-commerce companies, to open an Avnet flagship store on 1688.com, ...[Details]
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Some netizens sent a Weibo message to remind several senior executives of Xiaomi: "After searching for iPhone on Baidu, I suddenly became curious whether this was the case for all companies, so I tri...[Details]
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Buzzers are very commonly used devices in single-chip microcomputer systems, and their applications are very extensive. There are two types of buzzers. One is an active buzzer, which can make a "beep....[Details]
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Introduction
The oscilloscope is a fundamental instrument for electrical engineers, but I often find that some engineers fail to use its triggering function effectively. Triggering is often co...[Details]
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What accounts for such a dramatic difference in how we use voice-first versus screen-first technology? Screen-based technology is so addictive because of the place of vision in our sensory hierarch...[Details]
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Introduction to I2C The I2C bus only needs two lines, an SDA data line and an SCL clock line; the communication between the host and the I2C device can be realized based on the high and low levels, r...[Details]
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Soft starter undervoltage fault is one of the common problems in electrical systems. This article will introduce the causes, diagnosis methods, treatment measures and prevention measures of soft st...[Details]
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