diff --git a/README.md b/README.md
index a4ac37b..f28f481 100644
--- a/README.md
+++ b/README.md
@@ -97,6 +97,12 @@
     - Setup
         - Hardware
         - Softwarestack
+            ```mermaid
+            graph TD;
+                PIt FW <-> Potis;
+                PIt FW <-> Pitstop Server (RPi);
+                Pitstop Aggregator -> Pitstop Server (RPi);
+            ```
     - Characterization
         - Voltages
         - Currents