diff --git a/README.md b/README.md
index cf672a0..1fc08f8 100644
--- a/README.md
+++ b/README.md
@@ -48,3 +48,12 @@ Pinout of the Touchpad connectors.
 ## Webcam
 
 Pinout of the Webcam.
+
+## Expansion Cards
+
+See https://github.com/FrameworkComputer/ExpansionCards
+
+## Embedded Controller firmware
+
+See https://github.com/FrameworkComputer/EmbeddedController
+