[size=4][color=navy][b]First of all, let me explain this article "Optical Design Method of LED Traffic Light" --- a paper, which mainly introduces the optical design ideas of LED traffic lights, the e...
I would like to ask friends in the industry how to add grooves to the board to achieve a safe creeping distance (at least 3mm) when the line width of the board cannot accommodate high voltage and high...
[align=left][color=rgb(88, 88, 88)][font=Verdana, "]World Peace Group (WPI) and Jiehe Technology will jointly hold the "World Peace Group (WPI) / Jiehe Technology GDSM Visual Retail Summit" at the Ham...
[align=left] [font=宋体]Design of frequency meter[/font][/align][align=left] [font=宋体]Frequency measurement generally includes[/font] [font=宋体]direct frequency measurement method[/font] [font=宋体]period ...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
This article introduces a miniature home electrocardiograph. The instrument has powerful functions: display monitoring, storage, playback, printing, record management, power alarm, telephone or Intern...[Details]
In some warehousing management, manufacturing, meteorological observation, scientific research and daily life, the requirements for temperature and humidity are common. For example, the "Interim Pr...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
Abstract: This paper introduces the origin and new features of MP4, and introduces the core audio compression technology MPEG-2 AAC (Advanced Audio Coding) based on MP4. Finally, it briefly summari...[Details]
0 Introduction
At present, most of the automatic blood pressure monitoring systems used in hospitals are imported equipment, which are expensive and increase the cost of medical treatment. The...[Details]
For mobile phone products, using low-cost components in design is only the first step to make the price competitive. The cost of the production process, especially the cost incurred during the fina...[Details]
Advances in 3D semiconductor packaging technologies have enabled the form and functionality of many of the products we use every day, such as mobile phones, personal entertainment devices, and flas...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
Broadcom Corporation announced that its integrated digital TV system-on-chip (SoC) solution, the BCM3549, has been selected by LG Electronics for use in two new broadband high-definition television...[Details]
Abstract: This paper proposes a method of mine environment detection using wireless sensor networks, and gives the network framework, topology and network protocol of wireless sensor networks suit...[Details]
Preface
In people's daily life and work, the amount of electricity consumed by computers is very considerable, so the industry pays great attention to energy saving and consumption reduct...[Details]
1 Introduction
Motion controllers are core motion control components commonly used in mechatronic equipment such as CNC machine tools and robots. Modern CNC technology has put forward higher a...[Details]
Part 1 Current status of electricity metering in various places
Current status of electricity metering
a) Power companies still mainly use mechanical energy meters and low-cost e...[Details]
introduction
In an increasingly information-based society, computers and networks have fully penetrated into daily life. For individuals, what is needed is not just documents placed on the...[Details]
Power technology
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