6
The Utopia Open Source Braille Reader/Display ‘Audrey’ | Utopia Mechanicus
(www.utopiamechanicus.com)
Assistive technology (AT) is any item, piece of equipment, software program, or product system that is used to increase, maintain, or improve the functional capabilities of persons with disabilities.
via ct.gov
This community is used for cataloging and discussing advancements and news in AT.
That's certainly the tradeoff. Price vs portability.
yes it only occurred to me after i commented that OP’s objectives were to minimize cost and manufacturing complexity. but I guess accuracy/durability would still have to factor in, since its not worth the time/effort for the cheap output to be breaking down all the time.