arduino/libraries/DallasTemperature/examples/TwoPin_DS18B20/TwoPin_DS18B20.ino

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//
// FILE: TwoPin_DS18B20.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.00
// PURPOSE: two pins for two sensors demo
// DATE: 2014-06-13
// URL: http://forum.arduino.cc/index.php?topic=216835.msg1764333#msg1764333
//
// Released to the public domain
//
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS_1 2
#define ONE_WIRE_BUS_2 4
OneWire oneWire_in(ONE_WIRE_BUS_1);
OneWire oneWire_out(ONE_WIRE_BUS_2);
DallasTemperature sensor_inhouse(&oneWire_in);
DallasTemperature sensor_outhouse(&oneWire_out);
void setup(void)
{
Serial.begin(9600);
Serial.println("Dallas Temperature Control Library Demo - TwoPin_DS18B20");
sensor_inhouse.begin();
sensor_outhouse.begin();
}
void loop(void)
{
Serial.print("Requesting temperatures...");
sensor_inhouse.requestTemperatures();
sensor_outhouse.requestTemperatures();
Serial.println(" done");
Serial.print("Inhouse: ");
Serial.println(sensor_inhouse.getTempCByIndex(0));
Serial.print("Outhouse: ");
Serial.println(sensor_outhouse.getTempCByIndex(0));
}