please help me with the project report on the sensitive clap switch using op amp. i have already built the circuit and it works well. ....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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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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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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Hi there

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

Haresh ....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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ABSTRACT
We designed and created a semi-wireless keyboard, audio, video and mouse (KAVM) switch. The KAVM switch allows a centralized Base Station to interface with Remote Stations connected to individual computers. Although we were not able to transmit all of our data wirelessly, the design allows for easy integration with wireless digital transceivers.
The device uses a quasi-TCP/IP protocol to transmit control data. The keyboard and mouse data are constantly sent from the Base Station to the currently enabled ....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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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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Good. this site i tgink is reliable for students or not i will say so after i will get information on transistor as a switch ....etc

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