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SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
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The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
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Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
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The hardware circuit principle is shown in Figure 1. In the specific design, each part should consider the anti-interference problem to minimize the impact of interference on the performance of the...[Details]
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0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
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introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
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In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
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Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]
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I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
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1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
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The full name of RFID is Radio Frequency Identification, which uses radio frequency to realize data transmission between programmable controller (PLC) or microcomputer (PC) and identification, ther...[Details]
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1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
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Intelligent video analysis system is the development direction of monitoring. This technology is not far away from us. The 1,300 channels of the Qinghai-Tibet Railway use video analysis to protect ...[Details]
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Plasma processing in the semiconductor industry is a challenging environment for fluororubber vacuum seals. The ability to seal under high temperature and plasma conditions is critical to maximizin...[Details]
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On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]