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//************************************************ ************
//Title: 4x4 keyboard input function
// Function description: char gotkey(void)
// Input data from the 4*4 keypad and re...[Details]
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1. Review of the previous lecture In the code of the previous lecture, if we keep pressing the button, the light will keep flashing. This is because the "stable contact state" has been keeping a low...[Details]
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The stabilized power supply is an important part of each radar subsystem, which directly determines whether the radar can work normally. In order to solve the problem of low efficiency and low accura...[Details]
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When repairing or rewinding the three-phase winding of a three-phase asynchronous motor, the six lead wires must be distinguished at the head and tail, otherwise they cannot be correctly wired in the...[Details]
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EMG is an electromagnetic vibration damping system that reduces strip oscillations in high-speed production lines in the steel industry. It is mainly used in hot-dip galvanizing plants. EMG-EM...[Details]
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Reactive power compensation is an effective means to reduce power grid losses and improve power distribution efficiency. This paper mainly analyzes the current status of reactive power compensation...[Details]
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What’s the next step for smart cockpits? Is it to launch a stronger car-standard chip or to provide richer car functions? Maybe neither. In my opinion, "AI large model on the car" is the correct idea...[Details]
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Simple and high performance transistor voltage regulator circuit
This circuit is an electronic filter, which has a good filtering effect, making the B+ voltage very smooth, so the signal-to-nois...[Details]
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As shown in the figure, the working principle of the three converters is to store energy first, and then release the energy in a controlled manner to obtain the required output voltage. For a certa...[Details]
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Experimental content: Use AVR's external interrupt INT1 to detect PD3Key. If a key is pressed, wake up the sleeping MCU and make its PB port LED add 1 indication. #include iom16v.h #define DISP_D...[Details]
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Xiaomi Mi MIX 4 returns with Snapdragon 888 Plus to create a perfect full-screen new flagship On August 10, Xiaomi held the 2021 Lei Jun Annual Speech at Xiaomi Technology Park, its headquarters in...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Introduction to speaker units and crossover technology
Although different speakers may differ in the design of internal sound-absorbing cotton, bass reflex tube, reinforcement plate/reinforced baff...[Details]
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OFweek Cup 2022 China
Robot
Industry Annual Awards (abbreviated as OFweek Robot Awards 2022) is jointly organized by OFweek, China's high-tech industry portal, and its authoritative robo...[Details]
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On November 4, the HuanDa 97.5MW/390MWh shared energy storage power station project started construction in the Beidaqiao new energy planning area of Guazhou County. Image It is understood that this...[Details]
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