help me in selecting sensors

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Muneeb

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hello
i have to do a project home automation using microcontroller
it will control 3 home appliances a 500w bulb, electric fan, refrigrator
i want the device to respond back whether it is working or not
please tell me about sensors type for this purpose and the name by which
they are available in the market
thanks
 

hello mr. muneeb
your question is very complax.
if u need to sens the lamp, u have to use LDR if u want to sens fane blowing, u have to use pizo buzzer as presure sensor . if u need more mail me

noman
 

I have used small tranformers as CTs to do the job. Use a small step down transformer with secondary connected in series with the load and the primary then becomes the secondary of the CT. Good only where low accuarcy is required and phase is not a concern
 

Mr.Muneeb please explain your question it is very confusing and really does not heav its meaning. There are many solutions of your problem if it is cleared?
 

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