Design Contest Flash Innovation 2003

Proximity Sensor for the Visually Handicapped

Motorola Flash Innovation 2003 – Design Contest
Distinctive Merit

Hock Wei Soon


The proximity sensor, which was built using ultrasonic technology and the 68HC908QT, helps the visually handicapped detect obstacles. The small sensor requires a 9-V battery. It can detect obstacles farther than 2 m away. 

Supporting Files

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Contest Ended: June 30, 2003

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