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

John Edgar Park

John Edgar Park likes to make things and tell people about it. He works in CG animation at DisneyToon Studios and writes for Make, Boing Boing, and other places online and in print. You can find him at jpixl.net and twitter @johnedgarpark — if you like that sort of thing.


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