diff --git a/README.md b/README.md
index 8a81f2d..a2d6abb 100644
--- a/README.md
+++ b/README.md
@@ -20,3 +20,6 @@ The code should work on any ATmega328 based board.
 
 ### Blog-Post with howto and more details (German)
 https://www.commander1024.de/wordpress/2019/02/analoge-arduino-led-uhr/
+
+### Blog-Post with hardware build instructions (German)
+https://www.commander1024.de/wordpress/2019/02/bau-der-analogen-uhr/