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Iowa City Robotics 2024

On this page
  • Project Overview
  • Materials Needed
  • Build Steps
  • Safety and Legal Considerations
  • Extra Features (Optional)
  • Working With Families and Therapists
  • Documentation
  • Delivery Day
  • Example Wiring Diagram
  • Resources and Inspiration

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  1. Outreach

GoBabyGo Instructions

This page will include information on modifying a battery-powered car to be used as a mobility device.

Project Overview

GoBabyGo is a nationwide program that modifies battery-powered ride-on cars to provide mobility for children with disabilities. As a high school robotics team, this project lets you apply engineering skills to a real-world cause while giving back to your community.

Materials Needed

Ride-On Car Base

  • Fisher-Price Power Wheels or similar 6V or 12V ride-on toy

  • Must be large enough for the child to sit upright comfortably

Electrical Components

  • Large push-button switch (easily activated by hand, foot, or head)

  • 12V battery (if upgrading or replacing)

  • Inline fuse (15A–30A depending on motor)

  • Toggle switch (optional, for caregiver shutoff)

Tools

  • Screwdrivers

  • Wire cutters/strippers

  • Drill

  • Soldering iron and solder (optional)

  • Zip ties, Velcro straps, heat shrink tubing

Adaptation Materials

  • PVC pipe (for supports or harness frame)

  • Pool noodles (for padding and safety)

  • Foam for seating support

  • Velcro and fabric straps

  • Hot glue, duct tape, zip ties

Build Steps

1. Choose a Car and Assess

  • Select a suitable ride-on car based on child size and needs

  • Test existing wiring and motor function

2. Disassemble for Access

  • Open the car body to access wiring and battery

  • Remove or disable original foot pedal

3. Install Activation Switch

  • Replace the foot pedal wiring with a large, easily accessible push button

  • Use a Normally Open (NO) switch

  • Mount the button in a location accessible to the child

  • Add an inline fuse for safety

4. Add a Parent-Controlled Power Switch

  • Wire a toggle switch in series as an on/off control for caregivers

  • Optional: Use a wireless remote shutoff if available

5. Build Seating and Support

  • Use foam, straps, and padding to ensure upright and safe seating

  • Use Velcro or screws for removable and adjustable support structures

  • Do not glue or drill into the battery compartment or structural parts

6. Add Safety Features

  • Cover all hard surfaces and corners with padding

  • Ensure speed is limited (typically <2 mph)

  • Consider adding a soft harness or seatbelt if needed

7. Test and Iterate

  • Test the vehicle without the child first

  • Verify motor performance and button reliability

  • Conduct a test ride with caregivers present

  • Adjust as needed

Safety and Legal Considerations

  • Always work under adult supervision

  • Consult with physical/occupational therapists if possible

  • Get signed parental/guardian consent before modifications

  • Label all modified parts

  • Document everything

Extra Features (Optional)

  • LED lights

  • Sound buttons (horns/music)

  • Remote control override

  • Adjustable or modular seating for future use

Working With Families and Therapists

  • Listen closely to caregiver and therapist feedback

  • Customize button placement and seat support as needed

  • Offer post-delivery adjustments

  • Communicate regularly

Documentation

  • Take photos before, during, and after the build

  • Maintain a modification log

  • Create a printed user manual for the family

    • Charging instructions

    • Button use

    • Safety tips

Delivery Day

  • Present the car in an accessible, open space

  • Involve the whole team for a celebratory moment

  • Provide final instructions to caregivers

  • Take pictures and share (with permission)

Example Wiring Diagram

rustCopyEditBattery (+) --> Inline Fuse --> Toggle Switch --> Activation Button --> Motor  
Battery (–) ---------------------------> Motor

Use insulated connectors or terminals for safe and easy maintenance.

Resources and Inspiration

  • YouTube build walkthroughs and success stories

  • Instructables GoBabyGo projects

  • Local rehab centers and special education departments

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Last updated 16 days ago

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