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To become an embedded engineer, simple microcontroller basic learning and application are indispensable. Learning microcontrollers means learning the hardware structure of microcontrollers, the applic...[Details]
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STM32 learning----clock collection
In STM32, there are five clock sources: HSI, HSE, LSI, LSE, and PLL.
①. HSI is a high-speed internal clock, RC oscillator, with a frequency of 8MHz.
②. HSE is...[Details]
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The three-way distribution of power battery PACK has shifted, with car companies in the leading position and battery cell manufacturers as the auxiliary, accounting for nearly 90% of the market share...[Details]
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This paper designs a queuing number calling system. The system is based on the order of queuing number drawing. Customers draw numbers using the client, and staff call numbers using the calling termi...[Details]
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Toshiba proposed a "charging network" scheme for a distributed charging and discharging equipment system at the "Smart Grid Exhibition" (June 16-18, 2010, at the Tokyo Big Sight Center in Koto Ward...[Details]
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The main challenge facing software developers today is to quickly create differentiated and customized software and provide an excellent customer experience. To meet this challenge, they often rely o...[Details]
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environment Python：2.7.13 Development board: TQ2440 Toolchain: arm-none-linux-gnueabi-gcc 4.8.3 Overview Python3 has been ported to TQ2440 before. Now we will port Python2, which is basical...[Details]
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According to Nikkei Asia Review, people familiar with the matter revealed that the successor to Apple's M1 chip has entered mass production this month. People familiar with the matter said that the ...[Details]
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The development of serial bus can be summarized into three stages: Clock parallel bus: less than 200MHZ, such as CPCI, PCIX, SDRAM, ISA, PIC Source synchronous clock parallel bus: less than 3200M...[Details]
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Well-known whistleblower @Steve Hemmerstoffe has exposed information about Huawei Mate 40 Pro, Samsung Galaxy S21 series, Galaxy S20 FE, Google Pixel 5 and even OnePlus 8T 5G in recent months,...[Details]
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This paper introduces the method of porting the C/OS real-time operating system to the Coldfire processor MCF52235, providing a real-time operating system platform for the software development of t...[Details]
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On July 14, the Paperclip account, which advised Chinese people to eat less meat, eggs and milk and had connections with the US military, was banned by multiple platforms. Searching for "Pape...[Details]
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The spray quantitative tester is used to determine the surface wettability of fabrics. It consists of a metal frame allowing distilled water to be sprayed through a nozzle onto the specimen at 45° an...[Details]
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On March 26, we learned from relevant channels that the statistics of China's photovoltaic inverter exports in 2018 have been completed. According to the data, my country's inverter exports in 2018...[Details]
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On October 24, Bloomberg reported yesterday that Arm plans to cancel the license that allows its long-term partner Qualcomm to use Arm intellectual property to design chips.
Today, analy...[Details]
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