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In the previous article on the PWM drive principle of brushed DC motors, a current regeneration method based on short circuiting the two ends of the motor was introduced. In fact, there are other c...[Details]
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The development of smart cities is obvious to all. As an ecosystem, perception is an important part. The perception Internet of Things built on the basis of video surveillance is an important part...[Details]
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Wireless digital communication systems, satellite digital communication systems, digital communication radio stations, etc. all have modulators and demodulators. When developing and testing these...[Details]
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In order to quickly realize digital signal processing operations, DSP chips generally use special software and hardware structures. The following briefly introduces the basic structure of DSP chi...[Details]
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According to a report by Expert Market Research, the global machine vision market size reached approximately USD 10.88 billion in 2023.
The market is expected to grow at a compound annual growt...[Details]
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The article talks about C has standards, and sometimes it will be upgraded (like armv6 armv7 armv8), there are C99, C11 C++ has standards, which are sometimes upgraded (like armv6 armv7 armv8), inclu...[Details]
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Because on the x86 (32-bit machine) platform, the GCC compiler defaults to 4-byte alignment. For example: the structure is 4-byte aligned, that is, the memory address of the structure member variable...[Details]
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1. Introduction of the concept of counting
Let's start with counting votes: draw a "positive". This is counting. Examples of counting can be found everywhere in life. For example: the counter on a ta...[Details]
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TSMC held a beam-raising ceremony for its new 3nm project in the Southern Taiwan Science Park yesterday (24th), taking another big step towards the most advanced process technology. Chairman Liu Deyi...[Details]
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1. Device model Horiba 7021-H 2. Principle EDS is an instrument for analyzing the elements of a substance. It is often used in conjunction with a scanning electron microscope or a transmission elec...[Details]
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Xiaomi Mobile officially announced that it will soon release the Xiaomi CC9 Pro equipped with a 100-megapixel camera. It adopts a rear five-camera solution, supports 10x hybrid optical zoom, dual opt...[Details]
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To use a low-cost 32-bit microcontroller, developers face two choices: processors based on the Cortex-M3 core or the ARM7TDMI core. How to make a choice? What are the selection criteria? This art...[Details]
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Turning waste into treasure has always been a strength of power electronics engineers. Today, the editor brings you a DIY example of converting a wireless charging mouse into one with a rechargeable ...[Details]
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1. Clock Tree and Power Management In order to improve applicability and reliability, the STM8S microcontroller has added many special features, such as multiple clock sources, multiple power manag...[Details]
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PFC main circuit schematic diagram
Figure PFC main circuit schematic
The schematic diagram of the lossless absorption PFC main circuit is shown in the figure. In the figure, B1 is a rectifi...[Details]
Analog electronics
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