Can anyone tell me what special role the voltage-generating diode in the PFC circuit has? What is the difference between it and an ordinary diode? Thank you very much :)...
Have you had enough fun? We made a miniature board that can run at 1G speed, the effect is really good! You can also make your own baseboard! It has run Debian!...
[i=s]This post was last edited by caoqing on 2014-11-4 09:37[/i] The STM32L series microcontrollers provide an EEPROM storage area, but in fact, its FLASH is also of EEPROM type, but there is an area ...
A few days ago, I disassembled a camera and found that the color camera turned into black and white! I was very depressed for a long time but couldn't find the problem.
The next day, I disassembled an...
This paper introduces a temperature control circuit with simple artificial intelligence. When using this circuit for temperature control, you only need to turn the switch to position 2, set the contro...
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 the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
As the whole equipment is becoming increasingly miniaturized and power-saving, low-dropout linear regulators (LDOs) with low power consumption are becoming the mainstream in the market for linear regu...[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]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitation...[Details]
introduction
Taking care of babies is very tiring because they wake up and sleep frequently, and activities such as feeding and changing clothes will take up a lot of adults' time and energy. ...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
Preface
In the analog era, due to the unchanged specifications and relatively simple device connections, as well as users' low requirements for image quality, the relatively simple environment...[Details]
With the continuous emergence of new technologies and the increasing complexity of DSP real-time systems, there are more and more different types of external devices. Writing drivers for these exte...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Global IP Solutions (GIPS), a leading provider of high-quality IP multimedia processing solutions, announced that GIPS has enabled Voice over Internet Protocol (VoIP) capabilities for Apple's iPhon...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
Power technology
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