Open source, low cost, fully functional pediatric powerchair
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PVC Powerchair

Pediatric powerchair initially developed at BYU and the Open Wheelchair Foundation.

This project tracks enhancements to the chair made by Robomakery.

Project Summary

Short Google Slides Presentation

Getting Involved

We welcome new contributors!

First, there is a Google Group mailing list for development discussion:!forum/robomakery-pvc-chair

Please join that group and introduce yourself. We also have bi-weekly online planning meetings via Zoom.

If you are in the San Diego area, we also meet to discuss this project on the first Tuesday of every month as part of the San Diego Robotics Club.


Version 5

Theme: Rocker-Bogie Experiment


  • Rocker-Bogie Suspension
  • Self-leveling seat

Prototype Completion Date: TBD

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Version 4

Theme: Metal Frame, oDrive, Initial ROS


  • oDrive Motor Controller
  • oDrive Brushless Motors + encoders + gearbox
  • oDroid ROS Control
  • Metal Frame w/ MakerPipe
  • Front-wheel drive

Prototype Completion Date: Build In Progress

PVC Powerchair v4 frame

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Version 3

Theme: UCSD ECE 191 Winter / Spring Projects


  • Brushless Hub Motors with Hall Sensors
  • LiFePo4 Battery
  • Rear-wheel drive

Prototype Completion Date: 2018-06-15

PVC Powerchair v3 1

PVC Powerchair v3 2

PVC Powerchair v3 3

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Version 2

Theme: Move to COTS electronics


  • Arduino instead of custom boards
  • Sabertooth Motor Controller
  • OLED Battery Display
  • Plug-in Battery Charging

Prototype Completion Date: 2017-11-04

PVC Powerchair v2 test drive

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Version 1

Theme: Original design build


  • Minor changes to original design

Prototype Completion Date: 2016-04-27

PVC Powerchair v1 with tester

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License Information

Software is licensed under GNU General Public License V3

Hardware is licensed under CERN Open Hardware Licence v1.2