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12684 LCD screen, bmp180 sensor, 51 single chip microcomputer The microcontroller source program is as follows: #include reg51.h #include math.h //Keil library #include stdlib.h //Keil library #in...[Details]
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Network Analyzer Block Diagram Figure 1 shows the internal block diagram of a network analyzer. To complete the transmission/reflection characteristic test of the device under test, the network analy...[Details]
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The Ministry of Industry and Information Technology of China has announced the 2019 "Energy Efficiency Star" product catalog. In the terminal consumer product catalog, there are household appliances ...[Details]
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0 Introduction In the national college electronic design competitions over the years, most of the test questions involve single-chip microcomputer control problems, which shows the importance of...[Details]
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After the iPhone and iPad successfully changed our lives, the technology industry has been looking for the next such product. Can the latest iPhone 5S or Galaxy Note 3 do this? No! We need a complete...[Details]
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On June 11, with the completion of the last four projects, the preliminary round of the 2021 "Core Power" competition finally came to an end. This also marks that this year's competition is about to ...[Details]
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DHE-RD series radar level meter can be widely used in liquid and solid level measurement. Even under high pressure, strong corrosiveness, high hygiene requirements or other working conditions, it can...[Details]
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1. Download the old version of st-link firmware 2. Backup: Close the Keil software and back up the C:Keil_v5ARMSTLink folder (to prevent failure) 3. Copy: Copy the downloaded old version firmware...[Details]
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Calibration seems to always be scheduled at the most critical moment of a project, but is it really that important? This article explains what calibration really is, why it is so important, and ho...[Details]
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Huawei founder Ren Zhengfei made his first appearance at the World Economic Forum in Davos after a five-year absence, becoming the focus of attention of the guests on the first day of the forum. Ten ...[Details]
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01. Overview: Overall export growth is weak, and the replacement market is approaching its peak In the first half of 2019, the export value of China's lighting industry was approximately US$21.086 bi...[Details]
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According to 36Kr, less than half a month after the C+ round of $500 million financing, Xpeng Motors has received another round of financing of over $300 million. This news was learned from many peop...[Details]
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There is only one good mother in the world music source code. #include reg51.h sbit speaker = P3^7; unsigned char timer0h, timer0l, time; //-------------------------------------- //The MCU crystal o...[Details]
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diode: Direct plug LED positive and negative pole judgment: 1: Judge by the length of the pin of the direct-inserted light-emitting diode. The longer pin is the positive pole and the shorter pin is t...[Details]
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The domestic automotive-grade Hall current sensor CH704 is an isolated integrated current sensor chip developed for large current detection applications above 50A. It has the advantages of high pre...[Details]