Society of Robots - Robot Forum
Electronics => Electronics => Topic started by: neeharika on August 12, 2006, 07:41:24 AM
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HI FRIENDS,
I'AM NEEHARIKA.
CAN A SONAR BE USED TO DETECT AN IRON COIN THAT IS 3 Cm DEEP IN A SAND PIT?
HOPE TO SEE MY QUESTION REPLIED AS EARLY AS POSSIBLE. :) ???
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No, it cannot. I believe ultrasound can though . . .
If you want to detect that coin, you need a 'metal detector' setup to measure magnetic fields.