I would like to ask you, I use this circuit to measure AC current. The voltage on the secondary side is 1.29, but why is the final reading only 1.22? How can I reduce this error?...
[i=s]This post was last edited by 5之丹公英 on 2016-2-12 22:06[/i] [align=left][font=宋体][size=18.0pt]The village has changed a lot. The small bridge at the entrance of the village has been rebuilt and sea...
[font=微软雅黑] [size=3][/size] [size=3][/size] [size=3]This classic science fiction movie of the year was released on November 19th. A colleague went to see the 3D version and fainted on the bed when he ...
I am a beginner. I finally wrote a running light. Now I want to learn PWM. I want to use PWM to control the brightness of the LED light, but I don’t know how to write it. Please give me some advice....
I am looking for a circuit or control chip that can output negative voltage. The input voltage is required to be 19-28V. The output voltage is -50 or below. There is no specific requirement for the ou...
[font=微软雅黑][size=3] [/size][/font] [font=微软雅黑][size=3]I have always felt that the word middle-aged is far away from me, until recently I read a few jokes about "greasy" young people and the midlife cr...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
Since the implementation of the self-weight toll collection system, the highway administration has not only high requirements for the vehicle axle recognition rate, but also requires a long service li...[Details]
Industrial Control Electronics
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