diff --git a/Control/brewpi/tempLogger.py b/Control/brewpi/tempLogger.py
index c412808..b3b143c 100644
--- a/Control/brewpi/tempLogger.py
+++ b/Control/brewpi/tempLogger.py
@@ -8,7 +8,8 @@ from tempSensorSim import TempSensorSim
 #from max31865 import Max31865
 
 class TempLogger():
-	def __init__(self, sensor):
+	def __init__(self, sensor, filename="temp.log"):
+		self.filename = filename
 		self.sensor = sensor
 		self.temps = np.empty(0)
 		self.times = np.empty(0)
@@ -33,16 +34,19 @@ class TempLogger():
 		dt = args[0]
 		duration = args[1]
 
+		fp = open(self.filename, 'w')
 		for t in range(0, duration):
 			temp = self.sensor.temperature()
 			print ("Current temperature is {:0.2f} °C".format(temp))
 			self.times = np.append(self.times, self.count)
 			self.temps = np.append(self.temps, temp)
+			fp.write("{:04d} {:0.2f}\n".format(self.count, temp))
 			self.count += 1
 			time.sleep(dt)
 			if self.abort:
 				break
 
+		fp.close()
 		self.sema.release()
 
 	def wait(self):
@@ -66,7 +70,7 @@ if __name__ == '__main__':
 #	sensor = Max31865()
 	sensor = TempSensorSim("FakeTemp")
 	logger = TempLogger(sensor)
-	logger.start(1.0, 10)
+	logger.start(0.1, 10)
 	logger.wait()
 	result = logger.result()