   mcp.pinMode(relayPin_K7, OUTPUT);
   mcp.pinMode(relayPin_K8, OUTPUT);
 
-  //FAUXMO DEVICES  
-  //(each of these devices will appear in Alexa App
+  // FAUXMO DEVICES  
+  // Each of these devices will appear in Alexa App. 
+  // Create a group from these devices "Front Yeard Sprinklers"
+  // Each controller will have its own letter "A" followed by a zone "1"
   fauxmo.addDevice("Zone A1");
   fauxmo.addDevice("Zone A2");
   fauxmo.addDevice("Zone A3");

  Serial.println("ALEXA Sprinkler Controller V1.0"); //vanity title for serial window
//----------------------------------------------------------------------------------

}
 
//------------------------------------------------------------------------------------------------

#define SERIAL_BAUDRATE 115200  //Set USB serial baud rate

// LIBRARY INITIALIZATION
SSD1306  display(0x3c, I2C_SDA, I2C_SCL); // SSD1306 Pin Assignments
fauxmoESP fauxmo;                         // Initialize fauxmo
TMP102 sensor0(0x48);                     // Initialize sensor at I2C address 0x48
Adafruit_MCP23017 mcp;                    // Adafruit-MCP23017-Arduino-Library


//------------------------------------------------------------------------------------------------
//SETUP
//------------------------------------------------------------------------------------------------
void setup() {

  //START I2C COMMUNICATION
  display.init();   // SSD12306 - OLED screen start I2C comms
  mcp.begin();      // MCP23017 - I/O Expander start I2C comms
  sensor0.begin();  // TMP102 - Temp Sensor start I2C comms
  
  //Flip Screen orientation in software, (pins on top)
  display.flipScreenVertically(); //SSD12306

  //CONFIGURE PIN USAGE
  pinMode(alertPin,INPUT);  // Declare alertPin as an input TMP102
