diff --git a/README.md b/README.md
index db4c3b8..8e1785a 100644
--- a/README.md
+++ b/README.md
@@ -29,3 +29,9 @@ defines, so that it can be adjusted to different led layouts.
 
 Have fun!
         Simon
+
+Build instructions and "documentation": 
+https://www.commander1024.de/wordpress/2019/01/arduino-led-fackel/
+
+Greetingz
+	Commander1024