Sunday, November 22, 2009

Wheelchair Safety System

Wheelchair Safety System
Bryant Underwood | Make Vol. 16- 2008 | Pdf | 1 pgs | .4 mb
My daughter Katy uses an electric wheelchair
and last year she went off to college. Her mom and
I were concerned about Katy's safety in navigating
the campus -- she might get her chair stuck or have
some other type of trouble and not be able to get to
her cellphone.

So I used a Parallax microcontroller to control
a GSM cellphone as a "telematics" system for her
wheelchair. Inside the gray box mounted on the
back of her chair. I use the phone in speakerphone
mode with an external microphone and speaker.

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