Open Wheelchair

2014-2015

Project Parameters

Powered pediatric wheelchair
Easy to build in your garage, no specialized tools
Parametric frame to fit toddlers ages 1-5

Highlights

Total cost: $495
Weighs 21 lbs
Folds to fit in the trunk of a sedan
Custom dual h-bridge motor driver
PIC microcontroller

My Part

Responsible for all circuit design and programming
Power characterization and Motor requirements
Geartrain design

Project Skills

Digital circuit design, SMD PCB design, Embedded systems, C programming, Eagle CAD

For our senior design project, our team of five students designed this light weight, low-cost motorized wheelchair for toddlers. The chair is designed using only off-the-shelf or easily manufactured parts. The sponsor has made the plans open-source and they can be found at www.openwheelchair.org