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In addition to OnePlus 8 and 8 Pro, it is reported that the Bullets Wireless Z wireless headphones and Warp Charge 30 wireless charging pad will also be released on April 14. Now foreign media ...[Details]
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Problems with printf in mplab and iar (the first item below has been verified by Lei Qingsheng 2017-10-24 20:18) 1. To use PRINTF in MPLAB PIC microcontroller, add the following function to your proj...[Details]
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We have safely passed the 2012 doomsday indicated by the Mayan calendar, but foreigners are always a little worried. They start to worry about the zombies rampant just after the doomsday. Although the...[Details]
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In recent years, the industry has paid more and more attention to the use of renewable clean energy solar energy for street lighting. The low photoelectric conversion efficiency of solar panels is the...[Details]
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1. Program Function
Write a program to sort the input string. If the main function passes the -n parameter, it will be sorted by number, otherwise it will be sorted by string.
Also, if the -r optio...[Details]
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Voltage parallel negative feedback circuit and identification method
Negative feedback
Amplifier circuit
The circuit is shown in Figure 7.7. The judgment ...[Details]
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Akamai: Five categories of shoppers this holiday season (And the cyberattacks they must watch out for) December 27, 2022 – With the holidays quickly approaching, we’re entering shoppers’ favori...[Details]
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Foxconn CEO Terry Gou was recently photographed holding a distinctive iPhone at a meeting, and concept designer Ben Geskin said it might be the iPhone 11 released this year. Judging from the pict...[Details]
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Accurate testing is the eternal pursuit goal of almost all engineers’ testing work. But this is no easy task, especially for small signal measurements. For example, semiconductor devices, materials, ...[Details]
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According to the development and classification of switching power supplies, the topological structure and characteristics of DO/DO and AC/DC converters are explained, and the new technology tren...[Details]
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After you have a MCU learning board, you need to practice more. Connect the learning board to the computer, open the debugging software and sit in front of the computer. First, learn how to use the ...[Details]
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According to the Qichacha APP, Guangdong Xinyueneng Semiconductor Co., Ltd. was established recently with Xu Wei as the legal representative and a registered capital of RMB 400 million. Its busine...[Details]
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It is not uncommon to want to measure the Q factor of a resonator. It may be necessary to determine its suitability for use in coupled resonant filters, or to evaluate the performance of RFID tags. T...[Details]
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The current calibration method of the vector signal source is to measure and calibrate each other with the signal analyzer, which is not suitable for the traceability of standard values. This article...[Details]
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It is precisely because of the contributions of these companies that the traditional energy-using process has begun to consider the use of electricity. In the past, we used oil and coal, so how could ...[Details]