Oscillator circuit LM311 principle: Original author: http://www.aade.com/lcm2binst/LC2Binst.htm Oscillator IIBLC meter key is the oscillation circuit shown in Figure 1. LM311 is a voltage comparator. ...
[font=宋体][size=4]I don't like to pay attention to disaster news, except to see people dying~~[/size][/font] [font=宋体][size=4] The Eastern Star incident happened when I was eating in the cafeteria. The...
The school can apply for innovative projects, but I have no idea what to do now. Electronic technology is so advanced now that most of the technologies I can think of have been realized, and some are ...
[i=s] This post was last edited by Changjianze1 on 2017-12-1 18:46 [/i] To discuss outputting a 50% duty cycle, it is necessary to detect zero crossing, and output a high level from zero crossing, and...
When I was studying LM3S8962 and combining it with the application of our professional courses, I encountered a difficult problem. Let me describe the problem to you:Everyone has experienced train del...
GoIndustry DoveBid (Go-Dove), an industrial equipment asset management and trading platform, has been commissioned by Seagate to sell more than 160,000 unused Kemet capacitors. Large quantity in stock...
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
Due to the needs of medical development, in many cases, general thermometers can no longer meet the requirements of fast and accurate temperature measurement, such as measuring human body temperature ...[Details]
0 Introduction
Metal halide lamp (MHL) as a green lighting source has been widely used in the field of indoor and outdoor lighting. However, when using this green lighting source, the matc...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
Designers of handheld products such as cell phones, digital cameras, MP3 players and personal digital assistants (PDAs) are continually challenged to deliver more functionality in a smaller form...[Details]
Volkswagen's electronic throttle has taken our understanding of the traditional throttle a big step forward. However, while we admire Volkswagen's new technology, which is constantly being applied...[Details]
1. Introduction
The intelligent detector discussed in this paper is an integrated semiconductor photodetector. Compared with traditional semiconductor photosensitive devices, its most ...[Details]
Murphy's Law tells us that "what can go wrong, will go wrong". In the testing or production process of video equipment, problems often occur when we least want them to happen and when it is leas...[Details]
introduction
With the improvement of social automation, human-computer interaction capabilities urgently need a major change, and develop in a direction that is more convenient to use and more...[Details]