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All I/O registers can be accessed through the IN (I/O port input) and OUT (output to I/O port) instructions. These instructions are used to transfer and exchange data between the 32 general registers...[Details]
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Specific implementation functions The system consists of STC89C51 single chip microcomputer + digital tube display module + button module + alarm prompt and indication module etc. Specific function...[Details]
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High-power LEDs are increasingly being used in a variety of applications, including automotive lighting, camera phone flashes, stage lighting, venue lighting, night scene lighting, flashlights, bicyc...[Details]
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Vortex flowmeter is a new type of flowmeter that measures the flow of fluid in closed pipes based on the Karman vortex principle. Because of its good medium adaptability, it can directly measure the ...[Details]
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Although near-infrared (NIR) spectrometers have been around for 60 years, their importance in measuring the energy reflected or transmitted by different materials is rarely recognized. NIR spectro...[Details]
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This article introduces a photoelectric complementary LED street light controller, which controls the solar panel to charge and discharge the battery pack, detects the battery capacity in real time, ...[Details]
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1. Instrument model: Agilent/Keysight N5230C Microwave Network Analyzer. 2. Fault phenomenon: After booting up, the computer stays on the test interface and cannot enter the system. 3. Testing pr...[Details]
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Abstract: USB (Universal Serial Bus) is a widely used bus. Its advantages of plug-and-play, hot-swap, and compact interface have brought major changes to computer peripheral connection technology...[Details]
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Data from the China Passenger Car Association shows that domestic sales of new energy vehicles in August this year increased more than two times year-on-year. The rapid growth in sales of new energy...[Details]
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On June 8, local time, the U.S. Senate voted 68 in favor and 32 against to pass the American Innovation and Competitiveness Act, authorizing about $190 billion to strengthen U.S. technology and resea...[Details]
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The avr serial port configuration is very simple, just configure a few registers to send and receive; But there are a few things to understand: 1. Once the serial port is successfully configured, the...[Details]
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The common problem of ultrasonic level meter is the blue fault light on the top. The following solutions are listed based on actual situations: 1. When the ultrasonic wave is continuously at zero liq...[Details]
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I believe that many digital enthusiasts have more or less heard news about mobile phone batteries swelling or even exploding due to charging. Recently, it was learned from the Qichacha websit...[Details]
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The anti-lock brake system (ABS) of a car is to automatically control the braking force when the car brakes, so that the wheels are not locked and are in a state of rolling and sliding (slip rate is ...[Details]
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As
the "holy grail" of the
power battery
field, solid-state
batteries
can theoretically completely solve
the pain points of
electric vehicles
in terms of safety,
driving r...[Details]
PCB Design
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