Application of PLC and touch screen in relay testing (1)Reprinted from: http://www.semiapps.com.cn/content.php?content_id=90919234337251124node_id=174
1 Introduction
Railway safety relay is one of ...
I have tuned LPC1114 and have already tuned the master send, master receive and slave receive. Now I have encountered a difficult problem, so I would like to discuss it with you.
First, the code is as...
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1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
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Converged processors meet scalability requirements
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Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
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Introduction
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Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Embedded Systems
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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]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
Analog electronics
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