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very low power and small size FM transmitter for digi.data

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nikhilele

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I want to send signals from my robots to the other robots and mains station so i need many transmitters and reciever,
I cannot use 433Mhz module as they are costly.

can any one suggest me some schematics and ideas to send digital data through Fm transmitter and decode it at reciever.

I think I am talking about FSK.

I want to make my things simple so that a undergraduate can understand easily.
Thanks for your repl
 

david90

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u can get RF tx+rx for as cheap as $10 bucks for both.

Try ebay and type in "RF module"

How many do u need anyway?
 

nikhilele

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more cheap is to use FM transmitter using 2-3 transistor and FM reciever using single IC
 

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