MaraX Evolution: Transform Your Espresso Game with Open-Source Upgrades!

A Reddit user described a comprehensive overhaul of the Lelit MaraX espresso machine, transforming its capabilities to rival much pricier models. The upgrades include real-time pressure and flow profiling, a feed-forward PID system for better temperature stability, and a custom touchscreen interface. The author shared how all the schematics, 3D prints, and firmware are available on GitHub for community members to replicate the modifications.