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The table lookup method is used: 1.c file: #include "reg52.h" #include #include #define PCF8591 0x90 #define uint unsigned int #define uchar unsigned char #define arr_length 720 // sine wave array ...[Details]
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Since 2020, the trend of TV "returning to the center of family entertainment" has become increasingly obvious. During the epidemic at the beginning of the year, everyone could only stay at home ...[Details]
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Introduction
Dot matrix liquid crystal display has the advantages of being able to display complex text and graphics, and having a variety of display screen sizes. It has a wide range of appl...[Details]
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Jiwei.com reported on January 14 that China Telecom’s official Weibo account announced a good news today. Recently, China Telecom Shenzhen Branch and Huawei completed the country’s first 5G CPRI dual...[Details]
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Abstract: This paper makes a detailed analysis and comparison of several aspects that affect the reliability of switching power supplies, and proposes a solution to improve the reliability of ...[Details]
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introduction
In recent years, with the increase in demand for agricultural products in my country, the improvement of agricultural automation level, and the increase in a large number of agric...[Details]
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First, let me introduce the box design. There are three common types of box designs, namely closed box, phase reversal box, and transmission line box.
The closed box technology was first invented b...[Details]
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The new four modernizations of automobiles (electrification, intelligence, connectivity, and sharing) are recognized trends in the industry. In terms of intelligence and connectivity, OTA technology...[Details]
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Not long ago, materials innovation and application company Lyten shipped 6.5 Ah lithium-sulfur (Li-S) pouch battery sample A to Stellantis and other US and EU automakers for testing.
Lyt...[Details]
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The STM32 timer can also work in the output active mode TIM_OCMode_Active. The so-called active mode here, in layman's terms, is when the timer count value reaches the comparison value, it is forced t...[Details]
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The proliferation of LED modules in automobiles has placed new demands on system hardware, including reduced component size to fit more electronics in the same space, improved energy efficiency to ...[Details]
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With the rapid development of the photovoltaic industry, large-scale photovoltaic systems have sprung up like mushrooms after a rain, especially in areas with abundant sunshine and dry climate, whe...[Details]
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The following points should be noted when using the single-phase DC motor speed regulator on site:
1. Please read the product instructions and wiring requirements carefully before installati...[Details]
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Since Cortex-M3 supports bit operations, you can use ordinary load/store instructions to read and write single bits.
Among the bit-banding supported by CM3 , bit-banding is implemented in two re...[Details]
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Fluke OTDR Fiber Optic Tester Introduction: Fluke OTDR OptiFiber Pro OTDR is a new type of OTDR designed for enterprise fiber optic facilities. This troubleshooting and verification tool is not only ...[Details]
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