Now, hams are using the Raspberry Pi to receive highly readable Morse code using very low power. The software is QrssPiG and it can process audio or use a cheap SDR dongle.

Raspberry Pi Learns Slow Morse Code November 13, 2017 by Al Williams 11 Comments It wasn’t long ago that you needed to know Morse code to be a ham radio operator.

A project called Teleflix wired a Raspberry Pi to a vintage AT&T telegraph key, translating an input of Morse code into USB keyboard scancodes.