The sample model I applied for is MB85RC256V. I haven't used it yet, but I want to know the performance of this chip from the principle. There is nothing much to say about the power supply. It has a w...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:35[/i] I would like to ask you: After using the soldering iron for a period of time, the temperature of the soldering iron tip cannot reach t...
I just started learning VxWorks, and there is a question that has always confused me when reading the documentation. The documentation says that VxWorks defines both VxWorks interfaces and you can als...
[backcolor=rgb(222, 240, 251)]The linear regulators or switching regulators we use generally have a maximum current limit. What does this mean specifically? Does it mean that if the current exceeds th...
50mA current drives LD, the output power of LD is 30uW. 50mA current drives LD through the bias Tee circuit, so the output power of LD should also be 30uW. Why does the power of LD increase 20 times a...
Please give me some advice, thanks. . I have three questions: 1. Now RS232 serial port usually uses 9-frame connection line. The simplest connection is 3 connection lines, namely ground connection (co...
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
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