Doctor Radio - Do it Yourself Agoradio Transmission
Want to play the Radio Engineer? Join Doctor Radio and build a Miniature FM transmitter with a soldering iron and a bit of patience. It will transmit live music and speech up to 15/20 meters indoors with a small microphone.
Image credit, Keelan O'Hehir, Sisters Akousmatica, Next Wave festival, Melbourne, 2016.