i would like to make a transmitter that sends periodicle signals to a emissor and calculate the distance betwen them by the time that the signal reachs the emissor .
i also would like that the signal be a binary code .
first i would like to know what kind of emissor and transmitter that i should use . i was thinking in radio waves .
i am very new at electronic so any information , link , sites , name of components , chips and any kind of stuff is welcome ... thanx
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