I am using a +5V output switching power supply. I accidentally short-circuited the output terminal. Now the switching power supply has no output. I can only hear a squeaking sound. I checked the negat...
While tidying up at the weekend, I found some very old components, including paper dielectric capacitors, ceramic packaged chips, straw hat transistors, large-headed glass infrared receiving tubes, di...
The topic of the 2019 National College Student Electronic Technology Competition was released at 7:30 this morning on August 7.
Netizens who don’t know the title can look here:
Reference topics for th...
A ventilator is an instrument that can replace or assist a person's respiratory function. It is suitable for artificial respiration of patients with respiratory failure or even respiratory arrest. I...[Details]
Implantable Cardivoerter Defibrillators (ICDs) have been in common use for several years. ICDs apply a high voltage pulse between two electrodes connected to the heart, which detects cardiac fibrillat...[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]
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]
1 Introduction
Generally, when transmitting information over short distances through electrical signals, baseband signals can be directly transmitted. However, over long distances, baseban...[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]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
Abstract:
This paper introduces the excitation system designed for 3/3 phase double winding induction generator, which is composed of DSP and FPGA. The interface circuit of the control sys...[Details]
Billboards are information display terminals for the public, with a wide range of civil and commercial values. However, most of the information displayed on billboards is currently solidified in th...[Details]
AD8205 is a single-power high-performance differential amplifier launched by Analog Devices, Inc., USA. The typical single-power supply voltage is 5V, and its common-mode voltage input r...[Details]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]
The third generation iPhone, iPhone 3G S, has finally been released. Let's take a look at the differences in basic parameters between it and the previous generation iPhone 3G.
According to for...[Details]
Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
Biometric authentication technology replaces the traditional methods of using keys, ID cards, passwords, etc. for personal identification, and can be widely used in access management in bank...[Details]