diff --git a/lib/Cheetah/Cheetah.cpp b/lib/Cheetah/Cheetah.cpp
index d4ad3fd..fa08306 100644
--- a/lib/Cheetah/Cheetah.cpp
+++ b/lib/Cheetah/Cheetah.cpp
@@ -158,3 +158,37 @@ uint16_t CelulaDeCarga::testeCelula()
   Serial.println(get_value(20));
   Serial.println("Ajuste o parametro em config.h para obter uma medida precisa");
 }
+
+RTC::RTCset()
+{
+  rtc.halt(false);
+  rtc.setDOW(FRIDAY); 
+  rtc.setTime(20, 37, 0);
+  rtc.setDate(6, 6, 2014);
+  rtc.setSQWRate(SQW_RATE_1);
+  rtc.enableSQW(true);
+
+  memset(variaveis, 0, sizeof(variaveis));
+}
+
+uint16_t* RTC::leituraVariaveis()
+{
+  variaveis[1] = rtc.getTimeStr();
+  variaveis[2] = rtc.getDateStr(FORMAT_SHORT);
+  variaveis[3] = rtc.getDOWStr(FORMAT_SHORT);
+  return variaveis;
+}
+
+Temperature::Temperature()
+{
+  OneWire ourWire(DS18B20);
+  DallasTemperature sensors(&ourWire); 
+  sensors.begin();
+}
+
+uint16_t Temperature::leituraTemp()
+{
+  sensors.requestTemperatures();
+  Temp = sensors.getTempCByIndex(0);
+  return Temp;
+}
\ No newline at end of file
diff --git a/lib/Cheetah/Cheetah.h b/lib/Cheetah/Cheetah.h
index 4161745..e8b5a2a 100644
--- a/lib/Cheetah/Cheetah.h
+++ b/lib/Cheetah/Cheetah.h
@@ -11,6 +11,9 @@
 #include <Wire.h>
 #include <SPI.h>
 #include <HX711.h>
+#include <DS1307.h>
+#include <OneWire.h>
+#include <DallasTemperature.h>
 #include <config.h>
 
 class CheetahSerial
@@ -66,4 +69,24 @@ class CelulaDeCarga : public HX711
     uint16_t testeCelula();
 };
 
+class RTC : public DS1307
+{
+  private:
+   uint16_t variaveis[3];
+
+  public:
+   RTCset();
+   uint16_t* leituraVariaveis();
+};
+
+class Temperature : public DallasTemperature
+{
+  private:
+   uint16_t Temp;
+
+  public:
+   Temperature();
+   uint16_t leituraTemp();
+};
+
 #endif