Arduino Technology
John Park in the Maker Shed: Ultrasonic Distance Sensor

[youtube=”http://www.youtube.com/watch?v=UH21Rn_9XVs&feature=youtube_gdata”]
Make: magazine’s John Park builds an ultrasonic distance sensor using an Arduino, PING sensor, and 7-Segment Shield, all from the Maker Shed. http://blog.makezine.com/archive/2010/05/ultrasonic_arduino_tape_measure.html

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John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark

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