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When I was browsing Douyin, I accidentally saw the advertisement of Lianshengde W806 IoT development board. I was recently studying issues related to IoT sensing and data collection, so I bou...[Details]
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Modern aircraft are increasingly using electric actuation technology, and the application of a large number of advanced airborne electrical equipment has rapidly increased the capacity of ai...[Details]
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Demodulators, directional circuits, and other electronic applications often use two sine waves that are 90° out of phase, a sine wave and its cosine wave. Engineers usually use analog filters to ge...[Details]
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Nowadays, it is no longer a new thing to carry a few digital products with you. Tablet computers, mobile phones, digital cameras, PSP, camcorders, MP3s, e-books, etc. have become common choices for...[Details]
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Because the previous bare metal program is very simple, I won’t blog about it. Program flow: 1. Initialize C SP 2. Turn off the watchdog 3. Initialize SDRAM 4. Read the program containing ...[Details]
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Write subroutines Bin2BCD and BCD2Bin to realize the conversion between binary numbers and compressed BCD codes. The binary number to be converted is stored in the w register, and the BCD code obtain...[Details]
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在通信行业、电力行业、工业、军工、航空航天等领域，都广泛应用 大功率 AC/DC高频 开关电源 。单机功率从几百瓦至几百千瓦，智能化、n+1冗余模式、高效高功率密度、全数字化等是其显著之特点。 The following figure is a schematic diagram of the DC/DC part: The timing waveform is as foll...[Details]
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Today, regulatory compliance has become one of the most pressing challenges for all industries.
As the global regulatory environment continues to evolve, companies often find it difficult to ke...[Details]
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1. What principle does the density meter use? Density meter The weight of an object pulls it toward the ground, but if you place the object in a liquid, a force called buoyancy acts in the opposite d...[Details]
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At present, many SOC manufacturers' microprocessor chips have integrated LCD controllers, such as Samsung's S3C2410 and S3C2440, Intel's Xscale series, etc. Most embedded systems also use popular LCD...[Details]
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1. Overview: In recent years, with the rapid development of digital signal processing technology and the continuous emergence of new theories and algorithms, coupled with the overall improvement in...[Details]
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High-speed data acquisition, arbitrary sensors, these new and very practical functions are of epoch-making significance for multimeters, making project test development work more handy. In order to ex...[Details]
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On June 20, the Wuxi Xishan Hometown Talents Development Conference was held. At the conference, Wuxi Xishan Development Zone signed 18 projects, including several integrated circuit-related projects...[Details]
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#include
#define uchar unsigned char
sbit DQ=P1^4;
volatile data temp_data ={0x00,0x00};
uchar data display ={0x00,0x00,0x00,0x00,0x00};
unsigned char code ditab ={0x00,0x01,0x01,0x02,0x03,0x03,0x0...[Details]
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Judging from the situations around me, many engineers nowadays don’t know how to use transistors . This transistor, which was once the most core component in circuit design and the most basic knowled...[Details]
PCB Design
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