#include <DHT.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define DHTPIN 10     // what digital pin we're connected to
OneWire  ds(2); //pin für ds1820

#define DHTTYPE DHT21   // DHT 21 (AM2301)

// Connect pin 1 (on the left) of the sensor to +5V
// NOTE: If using a board with 3.3V logic like an Arduino Due connect pin 1
// to 3.3V instead of 5V!
// Connect pin 2 of the sensor to whatever your DHTPIN is
// Connect pin 4 (on the right) of the sensor to GROUND
// Connect a 10K resistor from pin 2 (data) to pin 1 (power) of the sensor


DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(9600);
  pinMode(13,OUTPUT);
  Serial.println("Uebertragnung-Gestartet");

  dht.begin();
}

void loop()
{
  // Wait a few seconds between measurements.
  digitalWrite(13,HIGH);
  delay(5000);
  digitalWrite(13,LOW);
  delay(5000);
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)

  float t = dht.readTemperature();
     

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    
  return;
  }
  // Compute heat index in Celsius (isFahreheit = false)

  Serial.print("Luftfeuchte: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperatur: ");
  Serial.print(t);
  Serial.print(" *C ");  
}


//DeviceAdressen der einzelnen ds1820 Temperatursensoren angeben. (loop anpassen)
DeviceAddress sensor1 = { 0x28, 0xFF, 0x86, 0x2E,  0x74, 0x16, 0x3, 0xAF };
DeviceAddress sensor2 = { 0x28, 0xFF, 0x5, 0x72, 0x74, 0x16, 0x3, 0xE0 };
DeviceAddress sensor3 = { 0x28, 0xFF, 0x2B, 0x3F, 0x73, 0x16, 0x5, 0x60 };
DeviceAddress sensor4 = { 0x28, 0xFF, 0xC5, 0x11, 0x73, 0x16, 0x5, 0x7D };
DeviceAddress sensor5 = { 0x28, 0xFF, 0xC, 0x68, 0x74, 0x16, 0x3, 0x30 };


char sensor1Name[] = "Temp1: ";
char sensor2Name[] = "Temp2: ";
char sensor3Name[] = "Temp3: ";
char sensor4Name[] = "Temp4: ";
char sensor5Name[] = "Temp5: ";
void loop()
{
void writeTimeToScratchpad(byte* address)
{
  //reset the bus
  ds.reset();
  //select our sensor
  ds.select(address);
  //CONVERT T function call (44h) which puts the temperature into the scratchpad
  ds.write(0x44,1);
  //sleep a second for the write to take place
  delay(2500);
}

void readTimeFromScratchpad(byte* address, byte* data)
{
  //reset the bus
  ds.reset();
  //select our sensor
  ds.select(address);
  //read the scratchpad (BEh)
  ds.write(0xBE);
  for (byte i=0;i<9;i++){
    data[i] = ds.read();
  }
}

float getTemperature(byte* address)
{
int tr;
byte data[12];

writeTimeToScratchpad(address);

readTimeFromScratchpad(address,data);

//put in temp all the 8 bits of LSB (least significant byte)
tr = data[0];

if (address[0] == 0x10) // DS18S20
{
//check for negative temperature
if (data[1] > 0x80)
{
tr = !tr + 1; //two’s complement adjustment
tr = tr * -1; //flip value negative.
}

//drop bit 0
tr = tr >> 1;

//COUNT PER Celsius degree (10h)
int cpc = data[7];
//COUNT REMAIN (0Ch)
int cr = data[6];
  float temp1 = getTemperature(sensor1);
  float temp2 = getTemperature(sensor2);
  float temp3 = getTemperature(sensor3);
  float temp4 = getTemperature(sensor4);
  float temp5 = getTemperature(sensor5);

  Serial.print("sensor1Name");
  Serial.print(temp1);
  Serial.println(" C");
  Serial.print(sensor2Name);
  Serial.print(temp2);
  Serial.println(" C");
  Serial.print(sensor3Name);
  Serial.print(temp3);
  Serial.println(" C"); 
  Serial.print(sensor4Name);
  Serial.print(temp4);
  Serial.println(" C");
  Serial.print(sensor5Name);
  Serial.print(temp5);
  Serial.print(" C");
return tr - (float)0.25 + (cpc - cr)/(float)cpc;
}
else // DS18B20
{
return ((data[1] << 8) + tr) * (float)0.0625;
}
return;
  }