Related older pieces from a brilliant Finnish hacker. Her posts are always interesting: https://www.windytan.com/2014/06/headerless-train-announcements.html ht

Related older pieces from a brilliant Finnish hacker. Her posts are always interesting: https://www.windytan.com/2014/06/headerless-train-announcements.html https://www.windytan.com/2014/06/headerless-train-announceme... https://www.windytan.com/2013/11/decoding-radio-controlled-bus-stop.html https://www.windytan.com/2013/11/decoding-radio-controlled-b...