diff --git a/guides/diy.rst b/guides/diy.rst
index b173e4602..4f96fbd86 100644
--- a/guides/diy.rst
+++ b/guides/diy.rst
@@ -92,6 +92,7 @@ Custom Components & Code
 - `Custom esp32 media player and notifier <https://www.printables.com/model/327708-esphome-nodemcu-esp32-media-player>`__ by :ghuser:`rananna`
 - `Blauberg recuperator S22 controller replacement <https://github.com/Benas09/Blauberg_S22>`__ by :ghuser:`Benas09`
 - `Rheem Econet Water Heater and Furnace Controller <https://github.com/esphome-econet/esphome-econet>`__ by `ESPHome-econet <https://github.com/esphome-econet>`__
+- `Medisana BS440 (and propably more scales) <https://github.com/bwynants/weegschaal>`__ by `bwynants <https://github.com/bwynants>`__
 
 Sample Configurations
 ---------------------