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General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
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Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
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1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
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introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
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Any power system that operates from an AC source has an associated power factor, which is defined as the way it draws current from the AC source. The power factor of an AC power system is defined a...[Details]
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In our daily life, we often use infrared to control various electrical appliances, such as color TVs, air conditioners, electric fans, etc., which brings us more convenience, but sometimes we still...[Details]
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1. Introduction
With the increase of electronic systems in automobiles, how to efficiently test highly mechatronic automobile systems is a challenge faced by Chinese test engineers. As this article ...[Details]
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Electric soldering iron with wire stripper
Here, we introduce an electric soldering iron with wire stripper made from an electric soldering iron. The production method is shown in ...[Details]
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German company Heliatek has once again set a new record for the conversion efficiency of organic thin-film solar cells: an independent German testing agency has confirmed that the efficiency of a 1...[Details]
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The power supply is a wide voltage input flyback converter with 12 V and 1 A output, and uses the TNY278PN device from the TinySwitch-III series. Since many functions have been integrated int...[Details]
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The item left behind reminder alarm introduced in this article is compact in size, with dimensions of 17×35×100mm, like two matchboxes, and has a control distance of 1-5m (adjustable to 15m). It ha...[Details]
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Although this article was written 10 years ago, it still has a lot of practical reference significance. In addition, other IC manufacturers also have a lot of reference documents, if you are intere...[Details]
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0 Introduction
Serial Peripheral Interface (SPI) is a high-speed synchronous serial input/output port. In recent years, it has been widely used in the expansion of external devices such as shif...[Details]
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Nowadays, many microcontroller application areas are powered by batteries, and energy saving has become a common concern for design engineers.
Entering Power-Down Mode
There are many low-...[Details]
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This paper introduces the application of serial A/D converter TLC549 and serial LED display driver MAX-7219 in the detection system based on single-chip microcomputer AT89C52, focusing on the int...[Details]