Hi. Since subversion revision 5486 the HandyTech (ht) driver now adds support for the Handy Tech Active Braille. For now, you can only use the Bluetooth interface, USB support is not yet implemented. https://www.handytech.de/en/normal/products/products-for-blind/active-braille/index.html -- CYa, ⡍⠁⠗⠊⠕