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principle: Because there are 8 digital tubes, we must use a 38-bit decoder to save the resources of the microcontroller. Here we will briefly introduce the principle of the 38-bit decoder, and then...[Details]
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The following example demonstrates the A/D conversion function of the STC89LE516AD/X2 series microcontroller. The clock is 11.0592MHz, and the conversion result is output to the serial...[Details]
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Cars bring us comfort and convenience, but they also cause obvious harm to the environment. How can we solve the contradictions brought about by the existence of cars? Manufacturers have thought of...[Details]
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To be honest, it's my junior year summer vacation and I'm still working on 51 single-chip microcomputers. The key is that I encountered a problem that took me a whole day to solve. It's really embarr...[Details]
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//Crystal:7.3728MHz, Function: Learn the program of external interrupt 0 #include #include #defineLED_COMPORTA^=(1《voidport_init(void) { PORT=0x40; DDRA=0x40; PORTB=0x00; DDRB=0x00; PORTC=0x00;//m103...[Details]
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It is burdened with a large amount of interest-bearing liabilities, has limited solvency, and even uses raised funds to "replenish blood." Under this situation, Wingtech Technology plans to spend 1.0...[Details]
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In the 1980s, Zheng Jianjiang, a 25-year-old auto mechanic from Zhejiang, started his own business. He contracted the bankrupt Longguan Watch Parts Factory and decided to take a gamble. Since then, t...[Details]
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According to Jiwei.com on November 30, Xiaomi sounded the rallying call to impact the high-end market this year. As the Xiaomi 10 series and Xiaomi 10 Ultra Commemorative Edition achieved good result...[Details]
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Imagine that in the not too distant future, you are driving a new car. It is an electric car with more advanced driver assistance systems (ADAS) features, internet connectivity, and various softwar...[Details]
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July 24, 2023 Murata commercializes Wi-Fi 6E (6GHz band), small Wi-Fi/Bluetooth combination module for IoT devices - supporting high-speed, efficient, low-latency communication Murata Manufacturi...[Details]
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Not long ago, OPPO held a new product launch conference and officially launched the new generation of Reno series mobile phones. At the press conference, in addition to introducing new features of th...[Details]
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How to evaluate the impact of magnetic components on power supply stability and overall efficiency? How to test inductance, magnetic loss, BH curve, magnetic properties and other indicators is a diff...[Details]
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The earliest static testing machines were mechanical. For example, Britain had produced lever-weight material testing machines as early as 1880, and in 1908 produced universal testing machines loade...[Details]
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Before writing this article, I have to criticize ST's comtex-M3 I2C for being so bad! Such a simple I2C requires countless configurations, countless registers, and countless flags. Is ST's goal to co...[Details]
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introduction
MPEG-1, MPEG-2, MPEG-4 data compression and coding standards are only representations of multimedia information content itself, while MPEG-7 standard is built on the basis of ...[Details]