 // define TSL2561 global variables
 long lux;
 float bar;
-int sound;
+float sound;
 float co;
 float no2;
 

  

  // ADMP401 mic for sound level
  sound = analogRead(A0);  // read sound levels


  // MPL3115A2 air pressure sensor

  dtostrf(bar, 3, 2, _g);
  dtostrf(lux, 1, 0, _l);
  dtostrf(no2, 1, 0, _n);
  dtostrf(sound, 1, 1, _s);
  dtostrf(tvoc, 1, 0, _v);
  delay(50);
  
