diff --git a/content/hardware/04.pro/carriers/portenta-hat-carrier/product.md b/content/hardware/04.pro/carriers/portenta-hat-carrier/product.md
index 3535663bab..1ce5b84a8d 100644
--- a/content/hardware/04.pro/carriers/portenta-hat-carrier/product.md
+++ b/content/hardware/04.pro/carriers/portenta-hat-carrier/product.md
@@ -4,6 +4,8 @@ url_shop: https://store.arduino.cc/products/portenta-hat-carrier
 url_guide: /tutorials/portenta-hat-carrier/user-manual
 primary_button_url: /tutorials/portenta-hat-carrier/user-manual
 primary_button_title: User Manual
+secondary_button_url: /downloads/ASX00049-full-pinout.pdf
+secondary_button_title: Pinout Software Mapping 
 certifications: [CE, UKCA, RoHS, FCC, IC, RCM]
 ---