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User documentation for rusEfi engine control unit
FSIO - Flexible Sweet Input Output
Full list of (Legacy) mediawiki pages is available at https://rusefi.com/wiki/index.php?title=Special:AllPages
https://github.com/rusefi/rusefi
https://github.com/rusefi/hw_modular
Contributors - some GIT help is available inside misc/git_scripts folder