         responseStr = "ERR"; 
       }
     }
-    
-    if (strcmp(request, "TEST") == 0) {
-      responseStr = "HELLO";
-    } else {
-      responseStr = "ERR";
-    }
       
-    Serial.print("Received ");
+    Serial.print("Read ");
     Serial.println(request);
     posIn = posOut = 0;
     request[0] = 0;
-    
-    Wire.write(0);
   }
   else
   {
-    if (responseStr[posOut] != '\0') {
+    if (responseStr[posOut] != '\0')
+    {
       Wire.write(responseStr[posOut++]);
-    } else
+    } 
+    else
     {
       Wire.write("\n");
       Serial.println(responseStr);

} sensor;

// DO need to change the next two things:
#define I2C_ADDRESS 42 // must be between 8-120. Make sure this is different to other devices you connect!

/* To add a new sensor:
 * 1. Uncomment a line below, i.e. remove the // before it. Otherwise the line is ignored.

 */
sensor sensors[] = {
                      {"SENSOR1", &sensorVal1},
                      //{"SENSOR2", &sensorVal1},
                      //{"SENSOR2", &sensorVal2},
                      //{"SENSOR3", &sensorVal3},
                      //{"SENSOR4", &sensorVal4},
