HN: Check out my Arduino Project - An Ultrasonic Hat | Hacker News

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		HN: Check out my Arduino Project - An Ultrasonic Hat (blendedtechnologies.com)
		4 points by tocomment on Aug 19, 2009 \| hide \| past \| favorite \| 2 comments

icey on Aug 19, 2009 [–]

This deserves more attention than it's gotten - very cool stuff.

tocomment on Aug 19, 2009 | [–]

Thanks. It was a fun project.

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