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LED fluorescent lamps use CREE and AOD ultra-bright LED white light as the light source, and the shell is acrylic/aluminum alloy. The installation of LED fluorescent lamps is relatively simple. It ...[Details]
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The level is a tool that is often used on construction sites. Its main function is to measure elevation. How to use it correctly and quickly is an essential skill that every construction worker mus...[Details]
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There are several ways to charge the battery of portable products. Take mobile phones as an example. We can use wall adapters or other charging devices to charge. The current provided by this m...[Details]
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Problem description:
The buzzer driving circuit is as above. When PB5 outputs a high level, the transistor is cut off; when PB5 outputs a low level, the transistor is turned on.
The...[Details]
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This paper briefly introduces the RS-485
bus
standard and compares several common RS-485
circuits
. It also focuses on
the latest mass-produced fully integrated isolated data trans...[Details]
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"Smart cars, smart roads" describes the smart transportation system of vehicle-road collaboration, from smart connected cars with keyless start, intelligent assisted driving and rich entertainment an...[Details]
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WeChat will be celebrating its 10th birthday in a few days. As one of the representative applications of China's Internet, WeChat has become an important part of our daily life. But while WeChat is c...[Details]
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Detection system
This concept is the product of the development of sensor technology to a certain stage. The detection system is
an organic combination of
sensors
and measuring instrum...[Details]
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I. Introduction
During the new product development phase, electrical lab characterization plays an important role in verifying the electrical functionality of the device to ensure that it funct...[Details]
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On the afternoon of October 16, the Political Bureau of the CPC Central Committee held its 24th collective study on the research and application prospects of quantum technology. General Secretary Xi ...[Details]
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1 Introduction
Next, we will introduce the causes of insulation damage and the requirements for motor insulation when applied to frequency converters.
2 Causes of insulation damage
...[Details]
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What is floating ground technology?
"Ground" is a very important concept in electronic technology. Since there are many types and functions of "ground", it is easy to be confused, so ...[Details]
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Motherboards have always been a major hub for high-speed serial buses, and a battleground for high-end oscilloscope manufacturers. However, general users rarely pay attention to the technology behi...[Details]
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On November 26, the "Gathering Strength and Revealing New Sound" AAC Technologies Acoustics Seminar was held in Shenzhen. At the seminar, AAC Technologies released its master-level SLS speakers for t...[Details]
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Capacitors are very important in EMC design and are also commonly used filtering components! People are not very clear about the use of capacitors! Here are two key points of capacitor filtering: 1. ...[Details]
Power technology
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