communication working on server and client mode

README.md

@@ -1,4 +1,34 @@
 # mettler-toledo
 
-Test bench for communication with Mettler Toledo scale
-specific model ICS 425
+Test bench for communication with Mettler Toledo scale.
+specific model ICS 425
+
+## Modes
+Mettler Toledo scales have several ways to provide weight data. For our purpose the __Server__ or __Client__ options are the best match.
+Check manual section 3.6 Communication menu block (page 40)
+
+### Server mode
+The scale act as a server, on which is listening at specific IP address and port waiting for a comand.
+To request weight data the following command must be send to the scale controller
+````
+	 S\r\n
+````
+*\r\n means CR LF*
+
+
+#### Server mode configuration
+
+
+
+### Client mode
+The scale act as a client pushing continuos data to the server, configured as specific IP address and port
+
+Scale is contious sending data:
+````
+S S      0.000 kg
+
+S S      0.000 kg
+````
+
+#### Client mode configuration
+