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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 a high-speed external clock, which can ...[Details]
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I. Introduction A variety of automated instruments, computers and corresponding actuators are used to monitor and control the production process. The signals in the process range from small s...[Details]
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Ever since Apple enabled MFi encryption certification for iPhone data cables, the billions of dollars in profits in the counterfeit data cable market have almost disappeared; now, Apple has again use...[Details]
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Although the phenomenon of inverter damaging motors has attracted more and more attention, people are still unclear about the mechanism causing this phenomenon, let alone how to prevent it.
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Current parallel negative feedback circuit and identification method
Negative feedback
Amplifier circuit
(1) Use the instantaneous polarity method to dete...[Details]
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introduction Waveform refresh rate is one of the important indicators for judging the performance of digital oscilloscopes. It directly reflects the ability of the oscilloscope to capture waveform de...[Details]
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Recently, Amazon's annual and mysterious MARS conference was held as scheduled in Palm Springs, California. Amazon MARS is an invitation-only conference where you can see robots walking and flying an...[Details]
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When using an oscilloscope, you often need to combine the global and local waveforms of interest for viewing. This requires the use of the Zoom function that everyone is very familiar with. What are ...[Details]
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This paper proposes the design of a touch screen touch point data acquisition system based on the ARM7 series LPC2210 microcontroller and the embedded operating system μC/OS-II, and completes the p...[Details]
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Read the unique identity register of the stm32 product voidGet_ChipID(void) { uint32_t temp0,temp1,temp2; temp0 = *(__IO uint32_t*)(0x1FFF7A10); temp1 = *(__IO uint32_t*)(0x1F...[Details]
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Recently, the CSA Alliance announced that the second update of Matter (Matter 1.2) is now available for device manufacturers and platforms to build into their products. It includes nine new device ty...[Details]
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The debate over the technical route of photovoltaic inverters has never stopped. Which one is more suitable for China's photovoltaic market? Century New Energy Network conducts market research ques...[Details]
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1 Introduction
At present, a common problem with batteries in actual use is insufficient charge, and the driving mileage on a single charge is difficult to meet practical requirements.
...[Details]
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A recent survey conducted by Gartner, a leading global information technology research and advisory company, shows that organizations currently using artificial intelligence (AI) or machine learning ...[Details]
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Preface
Missile warehouses have very strict requirements on temperature and humidity. Temperature and humidity distributed control technology usually uses temperature and humidity sensors to co...[Details]
Microcontroller MCU
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