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Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 mic...[Details]
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The communication protocol is the "rule" that the fire alarm system must follow to complete information transmission, confirmation and response. Only by relying on perfect and reasonable standards ...[Details]
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The market is particularly looking forward to the long-awaited foldable phone. However, both Samsung's Galaxy Fold and Huawei's Mate X were delayed in their launch. This can't help but cause concern ...[Details]
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When using a microcontroller to make some small things, due to limited space or limited IO ports of the microcontroller, you don't want to use a display screen. So how do you know the operating status...[Details]
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As early as 1968, Dahlin of IBM proposed a new algorithm different from conventional control laws, namely the Dahlin algorithm. The most significant feature of this algorithm is that the desired close...[Details]
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I believe many people will be interested in this article. My first entrepreneurial project was a bone conduction headset, but I was trapped by the limitations of this technology. I felt that I was ...[Details]
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1. Detection of fixed capacitors A. Detection of small capacitors below 10pF. Because the capacity of fixed capacitors below 10pF is too small, using a multimeter to measure it can only qualitati...[Details]
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It is reported that Derek Yu, president of Huawei's consumer business in Central and Eastern Europe, Northern Europe and Canada, recently revealed that the Huawei Mate 50 series will be released glob...[Details]
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Abstract: This article introduces the development of a low-voltage power supply for a radar, focusing on the electromagnetic compatibility of module power supplies and linear power supplie...[Details]
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On September 26, the domestic launch of Huawei's 2019 flagship smartphone, the Huawei Mate 30 series, was held in Shanghai. Huawei Consumer Business CEO Richard Yu pointed out that the Mate 30 series...[Details]
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It tells the compiler which registers to use for this code. The registers are the 8x4 registers R0-R7 at 0x00-0x1F in the 8051's built-in RAM.
The first thing that the compiler needs to consider for...[Details]
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0 Introduction
Single-phase grounding fault is the most common fault in power system. When a single-phase grounding fault occurs in a neutral point ungrounded power grid, it can operate with the ...[Details]
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Product features: BC2010 intelligent dual-display insulation resistance tester has a variety of voltage output levels (500V, 1000V, 2500V, 5000V), large capacity, AC and DC dual use, strong anti-inte...[Details]
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According to foreign media reports, in order to speed up the pace of forming the "Chip Quad Alliance", the United States previously unilaterally set August 31 as the deadline, requiring South Korea t...[Details]
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The fixed dual output connection circuit is as follows: 78×× series for positive voltage output, 79×× series for negative voltage output. Among them, ×× represents the value of fixed voltage output. ...[Details]
Power technology
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