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There are generally two situations when rror:Flash Download Failed-"Cortex-M3" appears: 1. In SWD mode, in the Debug menu, the Reset menu option (Autodetect/HWreset/sysresetReq/Vectreset) is AutoDe...[Details]
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WinRAR is the 32-bit Windows version of the RAR archive manager - a powerful tool that allows you to create, manage and control compressed files. There are a series of RAR versions for several ope...[Details]
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Author: Luigi Galioto, STMicroelectronics Abstract As the general LED lighting market continues to grow, customers are demanding new smart features, greater energy efficiency, and money-savings. T...[Details]
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The channel selection function can display the waveforms of different channels on the oscilloscope waveform chart, and can display two signals simultaneously or display two channels separately. The ...[Details]
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Current-mode dual-loop control technology is widely used in DC/DC converters, and can achieve better dynamic and static performance than single voltage-loop control. The basic idea is to use the outp...[Details]
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Rectifier and Inverter are two common power conversion devices in power systems. They are usually used to adjust the frequency and voltage of AC power to meet the needs of different equipment or sy...[Details]
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The 51 MCU has two external interrupt request input terminals: INT0 and INT1. The external interrupts of the 51 MCU are divided into low-level trigger and falling edge trigger. Inside the MCU, they a...[Details]
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Imagine if your TV could transform boring TV programs into gorgeous 3D programs, present you with a picture that is higher than 1080P, make blurry online videos clearer than ever before, and even a...[Details]
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The principle of the battery internal resistance tester: M8 generates a 1KHz square wave, and the amplifier generates a 10mA 1KHz alternating constant current output source. After passing through the...[Details]
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Design of Image Acquisition and Processing System Based on DSP
A key problem of image processing system is that the data volume is huge, the data processing is highly correlated, and real-t...[Details]
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Preface
LED industry technology is developing rapidly. Products with a luminous efficiency of 160lm/w are already on the market. High-quality white light - with a color rendering index CRI...[Details]
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Abstract: This paper introduces a 250W metal halide lamp electronic ballast, which consists of PFC, Buck converter and full-bridge inverter. In order to avoid acoustic resonance, the full-bridge in...[Details]
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For microcontroller programs written in C language, the declaration of registers is contained in the header file "reg52.h" Special statement: sfr——Special function register data declaration, decl...[Details]
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//PWM frequency = 1/((PR2+1)*4*(1/fosc)*pre-division value)HZ
//spdval=255 frequency=11.71875KHz
//spdval=14 frequency=200.0KHz
void HiSpd(unsigned char spdval)
{
unsigned char x;
unsigned...[Details]
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According to a Gartner survey of 451 senior technology leaders in the second quarter of 2024, 57% of chief information officers (CIOs) said they were responsible for leading their company's artif...[Details]
stm32/stm8
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