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1. Warning 280:'i':unreferenced local variable
This indicates that no access operation is performed on the local variable i in the function.
Solution: Eliminate the declaration of the i variable in...[Details]
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introduction
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, h...[Details]
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Abstract: This paper discusses the grounding technology in electromagnetic compatibility, including the types and purposes of grounding, grounding methods, calculation of grounding resistance, and ...[Details]
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On October 20, the 2021 World Yiwu People's Conference was held. 30 projects were signed at the conference, with a total planned investment of more than 33 billion yuan. Among them, the projects sign...[Details]
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The Environmental Impact Assessment Report of the Overall Plan of Shanyang County Vanadium Industrial Park (2024-2035) (draft for comments) has been completed. In order to understand the environmen...[Details]
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4. Capacitive touch screen
The structure of a capacitive touch screen is mainly to coat a transparent conductive layer (ITO) on the screen and then cover it with a protective glass. The double gl...[Details]
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According to foreign media reports, global microelectronics engineering company Melexis has launched its new time-of-flight (ToF) 3D camera MLX75026, which uses a fully integrated infrared bandpass (...[Details]
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Batu Automation Profinet protocol to Modbus protocol module (BT-MDPN10) is a device that can realize the conversion between Modbus protocol and Profinet protocol. Profinet protocol to Modbus protoc...[Details]
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Hardware platform: jz2440 Software platform: Ubuntu16.04 arm-linux-gcc-3.4.5 Source code location: https://github.com/lian494362816/C/tree/master/2440/006_key 1. Principle analysis Buttons are comm...[Details]
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Samsung Electronics released its third-quarter financial report, showing that its net profit increased 31% year-on-year to 12.06 trillion won, higher than the 11.54 trillion won expected by analysts,...[Details]
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The interrupt system in the microcontroller is the best way for electronic engineers to solve emergencies and multi-task real-time processing. Mastering the application of interrupt technology is a ne...[Details]
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With the advancement of science and technology, electric vehicle technology has developed rapidly. Compared with internal combustion engine vehicles, electric vehicles have the advantages of zero emis...[Details]
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As the global leader in virtual instrument technology, NI provided customers with more than 6,000,000 virtual instrument measurement devices in 2004 alone. For 25 years, engineers have used virtual...[Details]
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This is the design of the 51 single-chip basketball scorer I made before. It took me a week. The attachment includes the source code, PCB schematic, proteus simulation file and relevant documents of ...[Details]
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Active low button #define KEY1 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_10) //Read key 0 #define KEY2 GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_13) //Read key 1 #define KEY3 GPIO_ReadInputDataBit(GPIOC,...[Details]
DSP and ARM Processors
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