# Reference designs cloned for comparison (ULX3S, ButterStick): separate repositories
/ext/

# KiCad: backups, autosave, lock files, caches, local view settings
*-backups/
_autosave-*
*.lck
~*.lck
\#auto_saved_files\#
fp-info-cache
*.kicad_prl

# KiCad exports for viewing (schematic PDF etc.)
/kicad/*.pdf

# Python
__pycache__/
*.pyc

# Claude Code local settings (permissions of this machine)
.claude/settings.local.json