diff --git a/.gitmodules b/.gitmodules
index b2b9eddb..237fbf33 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "firmware/libopencm3"]
 	path = firmware/libopencm3
 	url = https://github.com/mossmann/libopencm3.git
+[submodule "hardware/gsg-kicad-lib"]
+	path = hardware/gsg-kicad-lib
+	url = https://github.com/greatscottgadgets/gsg-kicad-lib.git
diff --git a/hardware/gsg-kicad-lib b/hardware/gsg-kicad-lib
new file mode 160000
index 00000000..b1115301
--- /dev/null
+++ b/hardware/gsg-kicad-lib
@@ -0,0 +1 @@
+Subproject commit b1115301432b1b5ab3dc0a835572e33552d49cb4