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README.md

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 # LightBoard
 
+
+# License
+This PCB design is released under the [CC BY-NC-SA 4.0 License](https://creativecommons.org/licenses/by-nc-sa/4.0/).
+
+## What you can do
+- Share and adapt this design for personal or hobby purposes
+- Give credit to the original author (Finn Tews)
+
+## What you cannot do
+- Use this design for commercial purposes
+- Remove or obscure attribution
+- Re-license derivatives under more restrictive terms