PicoRuby PicoRuby is an alternative mruby implementation which is: Small foot print ROM: 256 KB (depending on build config) RAM: 128 KB or less (depending on app code) (Figures in 32 bit architecture) Portable Depends on only standard C library such as glibc, Newlib or Newlib-nano Reference microcontroller boards Raspberry Pi Pico - Arm Cortex-M0+, 264 KB RAM, 2 MB Flash API documentation with some demo videos https://picoruby.github.io/ Depends on mruby/c (mrubyc/mrubyc): Another implementation...