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 Luna hexagon is an electronic game I built for my daughter.
 It is based on [ESPHome](https://esphome.io/).
 
+![Luna hexagon](doc/images/luna-hexagon.jpg)
+
 ## How it works (user's perspective)
 
 ### Baby interaction
diff --git a/hexagon-schematics.pdf b/doc/hexagon-schematics.pdf
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