diff --git a/README.md b/README.md
index f43b7ae..fa69e73 100644
--- a/README.md
+++ b/README.md
@@ -25,3 +25,6 @@ All except of the timing control data block.
 
 You have to click at the link "reset timing control data" on the webinterface.
 
+Sample schematics (no NodeMCU pins defined in there)
+
+![Sample schematics](pic/schematics.png)