primer commit probando arduino, va el .ino de sensor de temperatura y humedad

libraries/DallasTemperature/examples/Multibus_simple/Multibus_simple.ino

@@ -0,0 +1,48 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+int oneWirePins[]={3,7};//OneWire DS18x20 temperature sensors on these wires
+const int oneWirePinsCount=sizeof(oneWirePins)/sizeof(int);
+
+OneWire ds18x20[oneWirePinsCount];
+DallasTemperature sensor[oneWirePinsCount];
+
+
+void setup(void) {
+  // start serial port
+  Serial.begin(9600);
+  Serial.println("Dallas Temperature Multiple Bus Control Library Simple Demo");
+  Serial.print("============Ready with ");
+  Serial.print(oneWirePinsCount);
+  Serial.println(" Sensors================");
+  
+  // Start up the library on all defined bus-wires
+  DeviceAddress deviceAddress;
+  for (int i=0; i<oneWirePinsCount; i++) {;
+    ds18x20[i].setPin(oneWirePins[i]);
+    sensor[i].setOneWire(&ds18x20[i]);
+    sensor[i].begin();
+    if (sensor[i].getAddress(deviceAddress, 0)) sensor[i].setResolution(deviceAddress, 12);
+  }
+  
+}
+
+void loop(void) {
+  // call sensors.requestTemperatures() to issue a global temperature 
+  // request to all devices on the bus
+  Serial.print("Requesting temperatures...");
+  for (int i=0; i<oneWirePinsCount; i++) {
+    sensor[i].requestTemperatures();
+  }
+  Serial.println("DONE");
+  
+  delay(1000);
+  for (int i=0; i<oneWirePinsCount; i++) {
+    float temperature=sensor[i].getTempCByIndex(0);
+    Serial.print("Temperature for the sensor ");
+    Serial.print(i);
+    Serial.print(" is ");
+    Serial.println(temperature);
+  }
+  Serial.println();
+}