Noteworthy in the MRuby universe, which is all about lightweight Ruby implementations is picoruby. You can get an integrated ruby shell on a Raspberry Pi Pico:

Noteworthy in the MRuby universe, which is all about lightweight Ruby implementations is picoruby. You can get an integrated ruby shell on a Raspberry Pi Pico: https://www.youtube.com/watch?v=WiJC_v5Lus8 https://www.youtube.com/watch?v=WiJC_v5Lus8 https://picoruby.org/ https://picoruby.org/