Make These Sonic Distance Sensors for the Bad Driver in Your Life

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How to roller skate

How-To Topics » Roller skate

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Length 3:03
Curated 12/19/07 Hosted by expertvillage.com
Creator's Site www.expertvillage.com

In this video series our expert will teach you how to roller skate. This fun and healthy activity can be enjoyable for anyone once you learn the basics. Our expert will show you how to pick out the best roller skates and how to use roller skating safety equipment.

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polyomino 12/24/07 7:39 PM

All of these are useful, but very minimal. This last one talks about back-to-front transition, but never shows it, just says, "It's the opposite of front-to-back"! ok.

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neelucky 5/26/09 5:01 AM

The info given in videos are really useful for novice.

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Cheese Burgerman commented on Make These Sonic Distance Sensors for the Bad Driver in Your Life 29 minutes ago

I was just typing the same thing. I would like to use this concept for a driveway alarm and making it water tight is a must.

Michael Isaacson commented on Make These Sonic Distance Sensors for the Bad Driver in Your Life 35 minutes ago

What would be a good way to weatherproof the sensors? Am I correct in thinking that sealing them in a plastic box would negate their ability to ping?

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