Rusefi MCU.
Want to run Rusefi in you STM Pro ecu? This MCU is a replacement plug in that will allow you to do that.
Rusefi is an open source firmware just like Speeduino. Uses the same Tuner Studio, The layout is a little different. Has a few different features.
Tuner Studio ini file herehttps://nickz1969.github.io/web-dfu/ini/ Usually the latest version will be required.
https://rusefi.com/
