
Rtourn writes "We all have old phones. Why not turn them into an intercom for your kids tree house. Or turn two old cordless phones into home base walkie talkie. Here is how." - Link.
Build your own intercom or walkie talkie out of two old cordless phones
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Interesting. Last time I saw this was in popular electronics many years ago using two corded phone. Using cordless phones is a good idea.
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thank you
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