Sample code for retrieving temp from DS18S20

Author: dplassgit

ds18s20/ds18s20.ino

@@ -0,0 +1,79 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#include <ThreeWire.h>
+#include <dht.h>
+
+// Data wire is plugged into digital pin 7 on the Arduino
+#define ONE_WIRE_BUS 7
+
+// Setup a oneWire instance to communicate with any OneWire device
+OneWire oneWire(ONE_WIRE_BUS);
+
+// Pass oneWire reference to DallasTemperature library
+DallasTemperature sensors(&oneWire);
+
+dht DHT;
+#define DHT11_PIN 2
+int deviceCount = 0;
+
+void setup() {
+  Serial.begin(9600);
+  Serial.println("Hello dS18S20");
+  sensors.begin();  // Start up the library
+  // sensors.setResolution(10);
+  Serial.println("Starting");
+
+  Serial.print("Locating devices...");
+  Serial.print("Found ");
+  deviceCount = sensors.getDeviceCount();
+  Serial.print(deviceCount, DEC);
+  Serial.println(" devices.");
+}
+
+
+void loop() {
+  // Send command to all the sensors for temperature conversion
+  sensors.requestTemperatures();
+
+  // Display temperature from each sensor
+  for (int i = 0;  i < deviceCount;  i++)
+  {
+    Serial.print("Sensor ");
+    Serial.print(i + 1);
+    Serial.print(" : ");
+    float tempC = sensors.getTempCByIndex(i);
+    Serial.print(tempC);
+    Serial.print("C  |  ");
+    Serial.print(DallasTemperature::toFahrenheit(tempC));
+    Serial.println("F");
+  }
+  //print the temperature in Celsius
+  //  Serial.print("DS18 Temperature: ");
+  //  Serial.print(sensors.getTempCByIndex(0));
+  //  Serial.print("C  |  ");
+  //
+  //  //print the temperature in Fahrenheit
+  //  Serial.print((sensors.getTempCByIndex(0) * 9.0) / 5.0 + 32.0);
+  //  Serial.println("F");
+
+  int chk = DHT.read11(DHT11_PIN);
+  double c = DHT.temperature;
+  if (c == -999) {
+    Serial.println("Waiting for sensor");
+    delay(1000);
+    return;
+  }
+  Serial.print("DHT11 Temperature: ");
+  Serial.print(c);
+  Serial.print("C  |  ");
+  double f = (c * 9.0 / 5.0) + 32.0;
+  Serial.print(f);
+  Serial.println("F");
+
+  Serial.print("Relative humidity ");
+  double rh = DHT.humidity;
+  Serial.println(rh);
+
+  delay(5000);
+}