Special interest Groups
Audiorecording/offline+online (Interviews, Talks, ...)
https://www.freeconferencecalling.com
https://app.voxeet.com/signup
Scenario 1
Miracast/Amazon Fire Stick
http://wiki.mine-project.eu/Miracast
https://www.ebay.de/itm/253052048403
https://www.ebay.de/itm/Gold-Serien-HDMI-Koppler-Buchse-zu-Buchse-Kupplung-VW-T6P7/263368136093?hash=item3d51f6d59d:g:xVkAAOSwYeRaJw2W
Scenario 2
QR-Codes
http://wiki.mine-project.eu/QR-Codes
Scenario 3