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The main content introduces the detailed usage of AVR microcontroller IO The relationship between the AVR microcontroller register DDRx PORTx PINx and the corresponding IO port (x represents a ...[Details]
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At present, the hottest word in the energy and power industry is the ubiquitous power Internet of Things. So why did State Grid Corporation of China propose this concept? What is its relationship w...[Details]
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Due to its excellent conductivity, copper busbar is one of the high-voltage bearing parts of new energy electric drive system. Due to space problems, the gap between high-voltage copper busbars or ...[Details]
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The difficulty of controlling a stepper motor lies in its principle, but it is very simple to program it! !
Therefore, if you want to control the stepper motor well, you must have a...[Details]
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White light LED characteristic parameters, nine points to measure the quality of LED characteristic parameters
Judging from the mechanism and structure of current LED products, the following...[Details]
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Coordinate system
Coordinate transformation at interpolation cycle rate (12 ms)
Cartesian coordinate system
Motion sequence with basis-dependent interpolation
Motion...[Details]
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Today I tested the PWM wave output of the TIM timer of stm32F407 and learned about its configuration process. The main points are as follows:
1. Enabling the multiplexing function of GPIO refers to 1...[Details]
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The Cortex-M3 processor contains a simple timer. Because all CM3 chips have this timer, software migration between different CM3 devices is simplified. The clock source of this timer can be an intern...[Details]
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On July 11, 2019, former Macronix chairman and founder Hu Dinghua passed away at the age of 76. Macronix chairman Wu Min-chiu said in a telephone press conference that he usually saw Hu Dinghua in go...[Details]
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Switching power supplies have been widely used in various electronic devices, and their unit power density is constantly increasing. The definition of high power density has increased from 25w/in3 in ...[Details]
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2 Filtering
Filtering is usually achieved using three types of devices: decoupling capacitors, EMI filters, and magnetic components.
2.1 Decoupling capacitors
We have analyzed be...[Details]
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At the opening forum of the 2019 China International Information and Communication Exhibition, Chen Zhaoxiong, Vice Minister of the Ministry of Industry and Information Technology, announced the offi...[Details]
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introduction With the improvement of people's living standards, the use of various water heaters has become quite popular, and the corresponding controllers have also come out one after another. Howe...[Details]
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Abstract: As the world energy crisis becomes increasingly serious, the use of solar energy has become a major way to solve the energy problem. In this context, the development of intelligent solar...[Details]
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The ARM processor startup process involves three aspects of knowledge:
Startup method
Address layout
Start the process
The boot process of the S3c2440 ARM ...[Details]