Our project is Talking-tactile map . It is improved tactile map.
Main target of device - is making difficult to remember and understand structure of city more easy for blinds.
Device consists of tactile map (without Braille font), touch frame, audio-system and computer (Raspberry Pi).
Map size is 80-80 cm. Average number of objects - ;
The audio system voice of the information about objects when user touch ;
Also we made quest-mode when user have to find assigned object.
Map is removable. If you want using device for another way, its possible. Change map, change microSD, done.
Now we are developing map editor for device.