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Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]

introduction Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]

On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]

I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]

1 Introduction There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]

Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]

With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]

Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]

With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]

Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]

1 Introduction to the overall system solution The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]

IntroductionLED billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]

1. Introduction AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]

The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]

Introduction Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]