Interaboard

Brief Summary: Interaboard is an interactive balance board. It contains embedded hardware to monitor balance angles and pressure, and is designed to be a tool to engage users in fun and interactive workout routines.

For: Interactive Device Design, UC Berkeley Master Class

Team: Joshua Kay, Juan Pablo Duarte, Diego Rivas

My contributions: Board design and prototyping, sensor embedding and architecture, game design components, LED control code, Video Ad.

Outside Link: http://jacobsinstitute.berkeley.edu/student-project/interaboard/

Video Add: please message me to send you file.

Strategy

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Prototype Progression

Overview: the board consists of three main components

-The enclosure: carefully machined with appropriate assembly tolerances, composed of a wooden component and an acrylic lid

-The embedded electronics: contained in a center pocket in the wood, it was initially breadboarded and later on a custom PCB was built. Components include a battery, an accelerometer, mux chips, and a RedBear Duo microprocessor. An LED strip was custom built to fit the inside ellipsoidal perimeter and correlate with pressure values.

-The pressure mat: composed of copper rows routed from one side of the acrylic to the other, and divided by a resistive sheet from the copper columns glued on top. The whole assembly is covered with a foam for user grip and aesthetics.

Screen Shot 2017-01-08 at 11.24.16 PM.png

Board CAD+CAM

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First prototype, sensor                              embedding

IMG_9917.JPG

Main component hub clearance

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Pressure mat routing (backside)

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Pressure mat cross section – fundamental component for registering pressure patterns and detecting exercises in users.

 

Final Prototype (cushion not shown)

qk4a7198

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Game UI Design

The game was designed and programmed using Unity 3D, by following an infinite runner controlled by user motion: balance and pressure.

Screen Shot 2016-11-08 at 11.28.48 PM.pngScreen Shot 2016-12-03 at 10.23.57 PM.png

 

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