A raw transducer is pretty much useless with Arduino. You need electronic amplification & filtering followed by complex DSP. Go with the EZ. You may also consider Devantech - a similar product that can report multiple targets.
A raw transducer is pretty much useless with Arduino. You need electronic amplification & filtering followed by complex DSP. Go with the EZ. You may also consider Devantech - a similar product that can report multiple targets.