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Designing tangible interfaces for the low vision community
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Designing tangible interfaces for the low vision community.

The finished prototype

All code used in prototyping can be found in the touch_map directory.


The WaveHC library, courtesy of Adafruit. Needed to interface with the Arduino Wave Shield

An Arduino with at least an ATmega328 chip

Minor soldering skills

Built using

  • An Arduino Uno
  • A multiplexer, in this case Sparkfun's 8channel breakout board (ID #74HC4051)
  • Force Sensitive Resistors (FSR), in this case Adafruit's 3/4in FSRs (ID #166)
  • An Arduino-friendly audio shield, in this case Adafruit's Wave Shield (ID #94)
  • A lot of wiring and 10Kohm resistors


Can be found here.

Weekly Worklog

Week 2

Week 3

Week 4

Week 5

Week 6

Week 7

Week 8

Week 9

Week 10

Week 11

Week 12


Portions of code have been copied and adapted from Adafruit's tutorials on the Wave Shield, found here. All credit for this belongs to Adafruit.

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