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Constant current drive circuit design: The LED drive circuit based on PT4115 is shown in Figure 1. The circuit can use Atmega8 microcontroller as the controller and set two input interfaces. The i...[Details]
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1. Overview AD7731 is a Σ-Δ analog-to-digital converter developed by American ADI Company with low noise, high pass rate and other characteristics. It can directly receive input signals from sensor...[Details]
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In the 51 MCU, the external memory is connected using a three-bus method, namely: data bus, address bus, and control bus. In the design with external memory, the P0 port of the 51 MCU generally serve...[Details]
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LM74 is an intelligent temperature sensor
based on SPI bus interface produced by National Semiconductor Corporation of the United States
. It can form a temperature detection system f...[Details]
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With the development of technology, the complexity of components is getting higher and higher. For the design of electronic products, the selection of components is becoming more and more important...[Details]
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MathWorks today announced the launch of a comprehensive two-day course, Deep Learning with MATLAB, developed in collaboration with the NVIDIA Deep Learning Institute. Available as both an instructor...[Details]
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Driven by various groups, smart driving cars have become a hot topic in automotive market research! In the next five years (2019-2023), the compound growth rate of China's intelligent driving industr...[Details]
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Bootloader startup phase 3 2 Two stages: assembly language stage, C language stage Two hardware initializations: basic hardware initialization, initialization of clock serial port flash, etc. Most ha...[Details]
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Regarding interrupt settings, I couldn't find any description of NVIC-related registers in the PDF document of STM32. I don't know why. Is it to make people confused? Or is it pretending to be profoun...[Details]
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Tektronix oscilloscopes are loved and used by engineers because of their complete functions, high work efficiency, comprehensive analysis functions and high cost performance. Although Tektronix oscil...[Details]
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High-pressure orifice flowmeter is a type of orifice flowmeter, just like standard orifice flowmeter. So what is special about the working principle of high-pressure orifice flowmeter? What are the c...[Details]
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On Friday (11th), IBM recommended that the U.S. Department of Commerce impose technology export controls on facial recognition technology to "authoritarian regimes" that violate human rights to preve...[Details]
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On October 14, the 2020 China International Information and Communication Exhibition opened at the Beijing National Convention Center. The theme of this exhibition is "Network Integration of Everythi...[Details]
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The bridge method is also called the zeroing method. It uses the scale-claw circuit as the indicator for measurement and has a wide operating frequency. Its advantage is that it can largely elimina...[Details]
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【First, let's distinguish two concepts: interrupt and exception. Interrupt is a type of exception. Take the 2440 development board as an example. It has more than 60 interrupt sources, such as from...[Details]
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