Update README.md

README.md

@@ -4,4 +4,14 @@ will cut prices by an order of magnitude, eliminate interoperability blockers, a
 provide flexibility for Industry 4.0. It will support real-time orchestration and deterministic, end-to-end
 communication at the edge using generic hardware.
 
+The project consists of:
+
+*  Beremiz - sample PLC program source code
+*  CAD - 3D printer CAD / CAM files (for coupler and MOD-IO cases)
+*  coupler - source code of the coupler think client application
+*  multicast-keep-alive - a POC keep-alive network implementation in Python using multicast / UDP
+*  notebooks - various notebooks used for measurements of the different system components
+*  rt_analyzer - sample analyze program as well cyclictest usage
+*  tests - coupler unit tests
+
 For more information please visit https://www.osie-project.eu/