Caeski: an assistive technology for the communication of persons with deafblindness.

Purpose: Caeski is a keyboard with 12 vibrating keys that connects to an application smartphone. This assistive technology aims to facilitate the communication of persons with deafblindness in presential contexts or with people who can be anywhere in the world. The purpose is to present this assistive technology and analyse the viability of its use through tests with eleven persons with deafblindness.