ahmedragia21
Member
Hi, Im trying to sense if there is an object at 100m ? can infrared do it or ultrasound ??
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Hi, Im trying to sense if there is an object at 100m ? can infrared do it or ultrasound ??
hmm, so i wont do it ?
just like that O -------------------X <-- object
i really wanna do it to detect a human passing near that sensor then do an alarm
Hi, Im trying to sense if there is an object at 100m ? can infrared do it or ultrasound ??