diff --git a/Setup-Computer-Debian-12.md b/Setup-Computer-Debian-12.md
index f6d1a4d..9fefb89 100644
--- a/Setup-Computer-Debian-12.md
+++ b/Setup-Computer-Debian-12.md
@@ -146,7 +146,7 @@ make
 
 ```
 
-- test Pixelator
+- test Pixelator (no Hardware)
 ```
 # run Controller in 1st Terminal
 cd ~/work/stxm/build/PixelatorController
@@ -156,4 +156,13 @@ cd ~/work/stxm/build/PixelatorController
 cd ~/work/stxm/build/PixelatorGUI
 ./scripts/PixelatorGUI-nH # -nH for no Hardware uses Ports 56561 and 56562
 
-```
\ No newline at end of file
+```
+
+- compile Orocos modules
+```
+. ~/orocos/setup.sh
+cd ~/work/stxm/PixelatorRealtime/
+make
+make install
+
+``` 
\ No newline at end of file