Godot + Arduino series: companion project code

Self-contained project code for the "Godot Isn't Just for Games" series:
Arduino sketches, the Python serial<->UDP bridge, and the Godot 4 projects,
one folder per article.

.gitignore

@@ -0,0 +1,15 @@
+# Godot editor cache (regenerated locally)
+.godot/
+*.import
+export_presets.cfg
+
+# Python
+__pycache__/
+*.pyc
+.venv/
+venv/
+
+# OS / editor
+.DS_Store
+Thumbs.db
+*.swp