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These I got at the Robot Shop and have been my mainstay for years. They have an 8 foot range, and are very accurate. They also cost around $35 so are not cheap. Best put them in a nice blue housing!
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HOME3D Printing Projects: Design, Printing, Implementation Quality Sonar Housing Project Updated 1/13/19
These I got at the Robot Shop and have been my mainstay for years. They have an 8 foot range, and are very accurate. They also cost around $35 so are not cheap. Best put them in a nice blue housing!
The screw holes on these units are VERY close to the transcievers making assembly a challenge. None the less, they out perform most other units for the money.