diff --git a/Control/brewpi/astirrer.py b/Control/brewpi/astirrer.py
index d4b67e6..f8fdc4c 100644
--- a/Control/brewpi/astirrer.py
+++ b/Control/brewpi/astirrer.py
@@ -1,8 +1,12 @@
-import time
 import abc
+import logging
 
 
 class AStirrer(abc.ABC):
+	@abc.abstractmethod
+	def name(self):
+		return ""
+ 	
 	def __init__(self, dt):
 		self.dt = dt
 		self.speed = 0
@@ -12,8 +16,8 @@ class AStirrer(abc.ABC):
 		self.isOn = 1
 
 	def log(self, s):
-		now = time.strftime("%a, %d %b %Y %H:%M:%S", time.localtime())
-		print("{}: {}".format(now, s))
+		d = {'user': self.name()}
+		logging.info ("{}".format(s), extra=d)
 
 	def process(self):
 		isOn = self.isOn
diff --git a/Control/brewpi/atemperatureSensor.py b/Control/brewpi/atemperatureSensor.py
index 50dd9ef..cc4c8a7 100644
--- a/Control/brewpi/atemperatureSensor.py
+++ b/Control/brewpi/atemperatureSensor.py
@@ -1,13 +1,15 @@
-import time
 import abc
+import logging
 
 
 class ATemperatureSensor(abc.ABC):
-	def __init__(self, name):
-		self.name
+	def log(self, s):
+		d = {'user': self.name()}
+		logging.info ("{}".format(s), extra=d)
 
+	@abc.abstractmethod
 	def name(self):
-		return self.name
+		return ""
 
 	@abc.abstractmethod
 	def temperature(self):
diff --git a/Control/brewpi/brewpi.py b/Control/brewpi/brewpi.py
index e898f8c..02e44e7 100755
--- a/Control/brewpi/brewpi.py
+++ b/Control/brewpi/brewpi.py
@@ -1,11 +1,13 @@
 #!/usr/bin/python3
+import logging
 import argparse
 import signal
 import json
 from controller import Controller, commands
 from mass import Mass
 from stirrer import Stirrer
-#from pololu1376 import Pololu1376
+from pololu1376 import Pololu1376
+from plant import Plant
 
 from matplotlib.pyplot import figure, clf, plot, xlabel, ylabel, xlim, ylim, title, grid, axes, show, subplot
 
@@ -49,6 +51,10 @@ def results_plot(self):
 
 if __name__ == '__main__':
 
+	logging.getLogger().setLevel(logging.INFO)
+	FORMAT = '%(asctime)-15s %(user)-8s %(message)s'
+	logging.basicConfig(format=FORMAT)
+
 	parser = argparse.ArgumentParser(description='Brew some beer.')
 	parser.add_argument('--receipe', help='the name of the receipe')
 	parser.add_argument('--config', help='the name of the configuration file')
@@ -93,7 +99,7 @@ if __name__ == '__main__':
 	configJson = json.load(fp)
 
 	plant_class = globals()[configJson["Controller"]['plant_name']]
-	plant = plant_class(configJson["WaterSim"])
+	plant = plant_class()
 	ruehrer_class = globals()[configJson["Controller"]['stirrer_name']]
 	ruehrer = ruehrer_class(configJson["Stirrer"])
 
diff --git a/Control/brewpi/hendiCtrl.py b/Control/brewpi/hendiCtrl.py
index 31c24a6..7358ab3 100644
--- a/Control/brewpi/hendiCtrl.py
+++ b/Control/brewpi/hendiCtrl.py
@@ -4,8 +4,18 @@ import time
 import serial
 import sys
 import numpy as np
+import logging
+
+
 
 class HendiCtrl():
+	def name(self):
+		return "HendiCtrl"
+	
+	def log(self, s):
+		d = {'user': self.name()}
+		logging.info ("{}".format(s), extra=d)
+
 	def __init__(self, port, baudrate):
 		self.ser = serial.Serial(port, baudrate)
 		try:
@@ -17,8 +27,8 @@ class HendiCtrl():
 		self.ser.timeout = 1.000
 		self.prompt = b':'
 		self.caps = {
-			"name"				: self.getSoftwareIdentifier(),
-			"ver"				: self.getSoftwareVersion(),
+			"sw_id"				: self.getSoftwareIdentifier(),
+			"sw_ver"			: self.getSoftwareVersion(),
 			"pwr_watts_min"		: 500,
 			"pwr_watts_max"		: 3500,
 			"pwr_watts_step"	: 100,
@@ -29,7 +39,9 @@ class HendiCtrl():
 		digits = [4092, 3840, 3700, 3440, 3300, 3060, 3000, 2930, 2860, 2780, 2640, 2510, 2430, 2360, 2190, 2130, 2030, 1980, 1880, 1730, 1630, 1560, 1480, 1400, 1240, 1150, 1150, 1080, 920, 740, 670]
 		self.poly_w2d = np.polyfit(powers, digits, 5)
 		self.poly_d2w = np.polyfit(digits, powers, 5)
-		self.name = self.getSoftwareIdentifier()
+		self.sw_id = self.getSoftwareIdentifier()
+		self.sw_ver = self.getSoftwareVersion()
+		self.log("Create {}, Version {}".format(self.sw_id, self.sw_ver))
 
 	def toDigits(self, power_watts):
 		return np.polyval(self.poly_w2d, float(power_watts))
@@ -103,9 +115,6 @@ class HendiCtrl():
 		rsp = self.__read()
 		if "OK" in rsp[0]:
 			return rsp[1]
-#		print("{}: Command : {}".format(self.name), req)
-#		print("{}: Response: {}".format(self.name), rsp)
-#		print("{}: Received error!".format(self.name))
 		return None
 	
 	def getCapabilties(self):
diff --git a/Control/brewpi/max31865.py b/Control/brewpi/max31865.py
index 99678bc..97097c0 100755
--- a/Control/brewpi/max31865.py
+++ b/Control/brewpi/max31865.py
@@ -1,14 +1,14 @@
 #!/usr/bin/python3
-
 import time
 import spidev
 from atemperatureSensor import ATemperatureSensor
 
 
 class Max31865(ATemperatureSensor):
-	def __init__(self):
-		super(Max31865, self).__init__('Max31865')
+	def name(self):
+		return "TemperatureSensor"
 
+	def __init__(self):
 		# Open SPI bus
 		self.spi = spidev.SpiDev()
 		self.spi.open(0, 0)
@@ -18,6 +18,7 @@ class Max31865(ATemperatureSensor):
 		self.write_reg(0x00, 0xA3)
 		time.sleep(0.100)
 		self.digits = 0
+		self.log("Create Max31865")
 		
 	def read_reg(self, addr):
 		reg = self.spi.xfer([addr, 0xFF])
diff --git a/Control/brewpi/pololu1376.py b/Control/brewpi/pololu1376.py
index e97c2ad..774c174 100644
--- a/Control/brewpi/pololu1376.py
+++ b/Control/brewpi/pololu1376.py
@@ -5,6 +5,9 @@ import serial
 
 
 class Pololu1376(AStirrer):
+	def name(self):
+		return "Stirrer"
+	
 	def __init__(self, params):
 		super(Pololu1376, self).__init__(params["dt"])
 		self.isMasterOn = 0
@@ -20,7 +23,8 @@ class Pololu1376(AStirrer):
 			self.ser.open()
 
 		self.ser_send('V')
-		print(self.ser_recv())
+		self.ser_recv()
+		self.log("Create Pololu1376")
 
 	def ser_send(self, cmd):
 		self.ser.write((cmd + '\r\n').encode())
@@ -36,19 +40,19 @@ class Pololu1376(AStirrer):
 
 	def activate(self):
 		if self.isMasterOn == 0:
-			self.log("Stirrer: switched On")
+			self.log("switched On")
 		self.isMasterOn = 1
 		self.ser_send("go")
 
 	def deactivate(self):
 		if self.isMasterOn == 1:
-			self.log("Stirrer: switched Off")
+			self.log("switched Off")
 		self.isMasterOn = 0
 		self.ser_send("x")
 
 	def onSetSpeed(self, speed):
 		self.ser_send("F" + str(speed) + "%")
-		self.log("Stirrer: Set speed to {} %".format(speed))
+		self.log("Set speed to {} %".format(speed))
 
 
 if __name__ == '__main__':