[BRLTTY] Affordable refreshable braille display project

[Sébastien Hinderer]

Dear all,

The link below has been sent to me by a friend who himself found it on
HackerNews:

https://jacquesmattheij.com/refreshablebraille/BrailleDisplayProject.html

I confess that the document felt too long for me to try to study it so I
am just passing the link,, with the hope that it wiill be of interest to
somebody on the list.

Best wishes,

Seb.