diff --git a/README.md b/README.md
index 3179a41..b9c92b3 100644
--- a/README.md
+++ b/README.md
@@ -45,6 +45,10 @@ You need the following parts:
 3D-printed waterhose dripping tips (see folder 3d)  
 3D-printed case (see folder 3d)  
 Prototype PCB (see folder kicad)  
+Finder 36.11 5V Relais  
+LEDs, Resistors, Mounting hardware...
+
+![picture](https://git.kmpr.at/kamp/TCS2FHEM/raw/branch/main/docs/4-key-pad-connector.png)  
 
 ## Pico W API  
 You can configure the port, on which the API runs in configs.py in the 'api_port'-value. You also have to set an API-Key in secrets.py in the 'api'-value. Then you can call the API as follows: