Too Long; Didn't Read
Osmo-FL2K, which is a recently released open source <a href="https://hackernoon.com/tagged/software" target="_blank">software</a> by Steve Markgraf at OsmoDevCon 2018 that turns a common <a href="https://www.gearbest.com/cables-connectors/pp_1238337.html?lkid=15359150" target="_blank">$15 USB to VGA adapter</a> into a transmit only capable Software Defined <a href="https://hackernoon.com/tagged/radio" target="_blank">Radio</a> (SDR). Slides of the presentation available at <a href="http://people.osmocom.org/steve-m/fl2k_slides/osmo-fl2k.html" target="_blank">http://people.osmocom.org/steve-m/fl2k_slides/osmo-fl2k.htm</a>