diff --git a/content/blog/2022-01-09_garage-door-opener.rst b/content/blog/2022-01-09_garage-door-opener.rst
index 146c27f..a936769 100644
--- a/content/blog/2022-01-09_garage-door-opener.rst
+++ b/content/blog/2022-01-09_garage-door-opener.rst
@@ -117,6 +117,13 @@ There's a couple more pictures in my `Instagram post <https://www.instagram.com/
 
 I know I could have bought a device to do this myself, but this is fully mine, my code, and my experiment with learning how to automate things at home, I gained way more out of this project than I did if I just bought a MyQ or what ever is popular these days.
 
+Bill of Materials
+~~~~~~~~~~~~~~~~~
+
+* `Magnetic Switch <https://www.amazon.com/gp/product/B00LYCUSBY/>`_
+* `NodeMCU <https://www.amazon.com/gp/product/B07HF44GBT/>`_
+* `Relay Shield <https://acrobotic.com/products/acr-00016>`_
+
 
 Notes
 ~~~~~