DS18B20 Reading fast 6 Thermometers from the same bus..

Using Arduino Programming Questions
#1

HEllo there ,

i have 6 DS18B20 thermometers and i call a procedure that gets the values of one by one DS18B20…
the problem is that to get the celcius from the thermometers the arduino spends 0,8 seconds foe each one, could it be much more faster…
i gues that it can be, this is the code…

void GETTEMPS()
{
  byte i;
  byte present = 0;
  byte type_s;
  byte data[12];
  byte addr[8];
  float celsius;
  String key;
  key="";
 
  if ( !ds.search(addr)) {
    ds.reset_search();
    return;
  }

 for( i = 0; i < 8; i++) 
    {
      
      key=key + String(addr[i], HEX);
     }
     key.replace(" ","");

 //  Serial.println(key);
 
type_s = 0;
  ds.reset();
  ds.select(addr);
  ds.write(0x44, 1);        // start conversion, with parasite power on at the end
  
  present = ds.reset();
  ds.select(addr);    
  ds.write(0xBE);         // Read Scratchpad


  for ( i = 0; i < 9; i++) {           // we need 9 bytes
    data[i] = ds.read();

  }
 

  int16_t raw = (data[1] << 8) | data[0];
  if (type_s) {
    raw = raw << 3; // 9 bit resolution default
    if (data[7] == 0x10) {
      // "count remain" gives full 12 bit resolution
      raw = (raw & 0xFFF0) + 12 - data[6];
    }
  } 
  else {
    byte cfg = (data[4] & 0x60);
   
    if (cfg == 0x00) raw = raw & ~7;  // 9 bit resolution, 93.75 ms
    else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
    else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
     
  }
  celsius = (float)raw / 16.0;

// Serial.print("  Temperature = ");
 //Serial.println(key);
  
  
  
  if (key == "28144ddc40011")
    { KITCHEN= celsius;}  
    
    if (key == "281684dc400ae")
    { PIPE= celsius;}
     
   if (key == "2811d9db400d4")
     { LIVINGROOM= celsius;}
    
    if (key ==  "281550dc400b6")
     { OUTSIDE= celsius;}
      
   if (key =="28fc6db4008f")
     { ROOM= celsius;} 
 
     if (key =="284fcedb400c4")
     { STOVE= celsius;} 
    
  
}
#2

There is a DallasTemperature library that will take care of this for you, but what it encapsulates for you is that the temp conversion takes up to 750ms, but you don’t have to wait for each one. You can tell each of your sensors to read, go about your business for 750ms and then read them all rather than having to delay for each one.

#3