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//Example 49: Use the interrupt of timer T0 to play the "Desire" theme song #include reg51.h //Header file containing 51 microcontroller register definitions sbit sound=P3^7; //Define the sound b...[Details]
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A colleague once asked, “How do I measure microvolts in my test?” High-precision DC voltage measurements can be complex. When measuring, time is money. Therefore, making fast and accurate measuremen...[Details]
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Using computers, sensor technology and wireless communication, this paper designs a wireless sensor network monitoring system for PCB electroplating current detection. The monitoring system uses NR...[Details]
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Electromigration is a phenomenon in which metal atoms migrate and diffuse in a controlled manner along the direction of current flow (electron wind) when a high-density current flows through a conduc...[Details]
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Power and electricity balance are two basic prerequisites for the safe and stable operation of the power system. In a large number of planning studies and designs, the basic "routine" is to first c...[Details]
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Keil C language and assembly language mixed programming
1. Embedding assembly in C language
1. To embed the assembly code snippet in the C file, add the assembly code in the following way: ...[Details]
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During the 2019 World Artificial Intelligence Conference, AI chips became one of the hottest topics, which complements the "hot" market trend. According to CCID Consulting, by 2021, the overall scal...[Details]
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From mobile phones to laptops, from electric cars to airplanes, lithium-ion batteries are widely used in the industry. Therefore, every performance improvement of lithium batteries will have a wide i...[Details]
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As an engineer, you need to get the most out of RF technology. User experience is critical and user expectations are high. So, how can you get the most out of RF technology? Today, the market deman...[Details]
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Configuration of CubeMX The following are the places I modified. Just pay attention to the basic configurations such as I2C and system clock. I don’t want to say too much. The pictures speak for them...[Details]
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At present, 97% of the world's population lives in areas covered by mobile cellular signals. It is no exaggeration to say that mobile communication technology has changed human society. 5G is the c...[Details]
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The smartphone wave that started in 2007 is still evolving. This year, Apple will release the 10th anniversary version of the iPhone, which has occupied the headlines for a long time. If you pay at...[Details]
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Nawei Technology disclosed its annual report on April 19, 2019. The company achieved a total operating income of 710 million yuan in 2018, a year-on-year increase of 18.7%; a net profit attributable ...[Details]
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On September 6, Fanshi Daowei Energy Storage Technology Co., Ltd. held a review meeting for the "Feasibility Study Report of Fanshi 200MW/400MWh Shared Energy Storage Power Station Project" in ...[Details]
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1. Instrument model: N9010A 2. Fault description: When building a PIMD of 1.8G4T4R, it was found that the instrument had no response during the test. After multiple calibrations, it was found that t...[Details]
Test/Measurement
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