 } 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!
+#define I2C_ADDRESS 42 // must be between 8 and 119. 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.

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

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