plz send me the abstract for wireless switch in efy magazine using op amp and phototransistor? ....etc

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To get full information or details of wireless switch please have a look on the pages

http://seminarsprojects.net/Thread-wireless-switch

http://seminarsprojects.net/Thread-wireless-switch--29976

if you again feel trouble on wireless switch please reply in that page and ask specific fields in wireless switch ....etc

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What is working principle of Sound Operated Switch Using A Simple Transistor Circuit and there advantages and disadvantages,Limitations,Application of clap swtich.
What is the working principle of Sound Operated Switch Using A Simple Transistor Circuit and there Advantages,Disadvantages,Limitation and Application and Cricuit Diagram of Clap Switch. ....etc

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wireless switch circuit using cd4027 pdf

Generally appliances that we used in our home are being controlled with the help of devices like switches, senors. However sometimes it is dangerous to have physical contact with these switches. So to overcome these dangers, here we have explained a circuit that needs no physical contact with the appliance. In these circuits all you need is to pass your hand above LDR. As you first pass your hand over LDR the device connected with it started and remain in that state till you again pass your hand abo ....etc

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to get information about the topic wireless switch working with infra red rays related topic refer the page link bellow

http://seminarsprojects.net/Thread-wireless-light-switch

http://seminarsprojects.net/Thread-wireless-switch ....etc

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Wireless switch circuit using CD4027
SUMMARY OF THE PROJECT
Work in wireless switch circuit using CD4027. Using this scheme, you can control any electrical device, just passing a hand over the LST.
DESCRIPTION OF THE PROJECT
Work in wireless switch circuit using CD4027. Using this scheme, you can control any electrical device, just passing a hand over the LST.
These schemes largely depending on the two chips. The first of these is LM714, which is the operational amplifier. This IC is used to increase the voltage output of the hundred of thousan ....etc

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Hi there

I am looking for zigbee wireless switchboard can anyone help me?

Haresh ....etc

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Normally, home appliances are controlled by means of switches, sensors, etc. However, physical contact with switches may be dangerous if there is any shorting. The circuit described here requires no physical contact for operating the appliance. You just need to move your hand between the infrared LED (IR LED1) and the phototransistor (T1). The infrared rays transmitted by IR LED1 is detected by the phototransistor to activate the hidden lock, flush system, hand dryer or else. This circuit is very stable and sensitive compared to other AC applia ....etc

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To get full information or details of wireless switch please have a look on the pages

http://seminarsprojects.net/Thread-wireless-switch--29976

http://seminarsprojects.net/Thread-wireless-switch

http://seminarsprojects.net/Thread-wireless-light-switch

if you again feel trouble on wireless switch please reply in that page and ask specific fields in wireless switch ....etc

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Introduction
Clap Switch is a basic Electronics mini-project, made with the help of the basic components. Clap Switch has the ability to turn ON/OFF any electrical component or circuit by the clap sound.

It is known as Clap Switch, because the condenser mic which will be used in this Project will have an ability to take the sound having same pitch as the Clap sound as the input. Although it doesn t mean that the sound will have to be of Clap sound, it can be any sound having the same high pitch as of Clap. We can also say that it converts ....etc

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