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Ultra sonics

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evoke

New Member
hello i just writing this tofind out how to use ultra sonics. how doi put them in to a circuit. how do they work aswell does anyone know. do they work just like a switch.

thanks for your help 8) :roll:
 

Scubasteve

New Member
They are speakers that emit ultrasonic soundwaves..
They can be used as a simple switch if one is emitting a constant wave and the other is recieving.. If the reflected sound is intense enough (depending on your comparator) then it will switch at a given distance.

They can also be used for distance measurements.

Steve
 
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