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74hc595.h： #ifndef __74hc595_H__ #define __74hc595_H__ /****************************************Bit definition************************************/ sbit DATA_IN = P1^0; //Serial data input sbit ST_...[Details]
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The digital power controller UCD3138 has 4 integrated digital comparators , and its input and reference values can be flexibly configured. The absolute value of the analog front end (AFE) modul...[Details]
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Shanghai, China, July 05, 2024 -
Aixin Yuanzhi, a company engaged in the development of artificial intelligence chips and basic computing platforms, announced that during the grand opening of t...[Details]
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Long-duration energy storage (LDES) technology combined with renewable energy could cut emissions from industrial energy use by nearly two-thirds, a new report says.
Around 65%...[Details]
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At present, the white light LED production technology in the market is mainly divided into two mainstreams:
The first is to use phosphor to convert the blue light or ultraviolet light generate...[Details]
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Electronic loads are generally divided into two types: DC loads and AC loads. In terms of sales volume on the market, DC loads are dozens of times more than AC loads. And AC loads rarely have larger ...[Details]
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Understanding of STM32's NVIC (Green and purple are the achievements of other excellent netizens, sincere thanks. Now copied and summarized for your convenience. If it constitutes infringement, p...[Details]
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Why are multiple register access instructions needed? ldr/str can only access 4 bytes of memory per cycle. If you need to read and write memory in batches, it is too slow. The solution is stm/ld Ex...[Details]
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Under the trend of global energy structure transformation and green and low-carbon economic development, the application scenarios of new energy batteries are constantly enriched, from 3C consumer ...[Details]
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In FFT analysis, the frequency resolution △f of the oscilloscope satisfies the following relationship: Among them, Fs represents the sampling frequency of the oscilloscope, N represents the number of...[Details]
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Recently, I used STM32 in my project, and I got familiar with the engineering establishment and programming of STM32 again. After summarizing it, I found some skills and settings that I had not found...[Details]
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keil C51 Partial Operators and Expressions; December 2, 2013 10:39:34 ?: Used for expression evaluation operator; logical expression? expression1:expression2. If the logical expression is true, expre...[Details]
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The previous section introduced the timing process of each bit signal of I2C, and I2C communication also has fixed timing requirements in byte-level transmission. After the start signal (Start) of I2...[Details]
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There are still many unsolved problems in
LED
technology, one of which is how to produce high-quality white light.
White light LEDs
are composed of
blue LEDs
and a phosphor th...[Details]
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1. Introduction Average current control in CCM operation is the most typical control scheme, which is widely used in high-power APFC converters, such as UC3854-based converters. Compared with peak c...[Details]
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