Update uno-stats-monitor/README.md

uno-stats-monitor/README.md

@@ -50,8 +50,20 @@ IR Pinout
  * IR GND to ground
 
 
-### Misc
-#### IR Output Schema
+### Communication
+#### Serial Input Schema
+Start char is: '#'  
+End char is: '@'  
+2nd char denotes which line number/mode to use  
+The 3rd line should be a whole integer 0-100 for the system load or other similarly ranged value  
+
+Example:  
+Line 1: #1Archamedis Status@  
+Line 2: #299% free / etc.@  
+LAVG 3: #324@  
+
+
+#### Serial Output Schema (IR commands)
 Multimedia Controls use single characters to denote which button was pressed:
  *    P power
  *    M mute