diff --git a/shields/diyStepperDriver/BOM_link.txt b/shields/diyStepperDriver/BOM_link.txt
new file mode 100644
index 0000000..be89a92
--- /dev/null
+++ b/shields/diyStepperDriver/BOM_link.txt
@@ -0,0 +1 @@
+https://docs.google.com/spreadsheets/d/1dIvlz9Zhw2C25BC9nijCdQvVHDtH89HcU7y3oBZd_WM/edit#gid=0