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Full service demo: Geefax
📺 Geefax
This is a web application which uses @techandsoftware/teletext-service and includes page numbers and fastext (colour button) navigation. Content is from the Guardian using their public API. Pages are received over HTTPS in JSON structures. The underlying pages are byte-compatible with teletext, rendered using @techandsoftware/teletext to SVG for a scalable and high-res display.
From Chrome and compatible browsers, pages can also be cast to Chromecast devices and TVs with built-in Chromecast functionality, which uses @techandsoftware/teletext-caster.