diff --git a/script/OneWire.py b/script/OneWire.py
new file mode 100644
index 0000000..5141067
--- /dev/null
+++ b/script/OneWire.py
@@ -0,0 +1,122 @@
+import traceback
+
+class Detector(ReadonlyRegisterBase):
+    def __init__(self, name):
+        ReadonlyRegisterBase.__init__(self, name) 
+        self.id = None
+        self.sn = None
+        self.status = None
+        self.type = None
+        self.set_inputs({})
+    
+    def set_inputs(self, inputs):
+        self.inputs = inputs
+        self.setCache(inputs.values(), None)    
+        if (len(self.take()) == 0):
+            self.setState(State.Offline)        
+        else: 
+            self.setState(State.Ready)        
+
+    def set_input(self, index, val):
+        self.inputs[index] = val
+        self.set_inputs(self.inputs)            
+
+class Esera(TcpDevice):    
+    def __init__(self, name, server, timeout = 1000, retries = 1):
+         TcpDevice.__init__(self, name, server) 
+         self.setMode(self.Mode.FullDuplex)
+         self.detectors = []
+         self.complete = False
+
+    def start(self):
+        self.write("set,sys,run,1\n")
+
+    def stop(self):
+        self.write("set,sys,run,0\n")
+
+    def list(self):
+        self.write("get,owb,listall1\n")
+
+    def req_data(self):
+        self.write("get,sys,data\n")
+
+    def doInitialize(self):           
+        super(Esera, self).doInitialize()
+        try:
+            self.setState(State.Ready) #So can communicate
+            #self.stop()
+            #time.sleep(0.1)
+            #self.flush()
+            self.detectors = []
+            for i in range(30):
+                 self.detectors.append(Detector("Detector " + str(i+1)))    
+            self.list()    
+            time.sleep(0.5)    
+            self.start()
+            self.req_data()
+        except:
+            print  >> sys.stderr, traceback.format_exc()
+            getLogger().log(traceback.format_exc())
+            raise
+
+    def doUpdate(self):
+        if not self.complete:
+            init = True
+            for det in self.detectors:
+                if det.id == None:
+                    init = False
+                    break           
+            if init:
+                self.complete = True
+                self.start()
+            
+        self.req_data()        
+    #def onByte(self, rx):
+    #    print rx    
+     
+    def onString(self, msg):
+        print msg
+        tokens = msg.split("|")
+        if len(tokens)>1:
+            try:
+                if msg[:3] == "LST":                
+                    #LST|1_OWD1|3AF361270000009E|S_0|DS2413| 
+                    if tokens[1] > 1:                
+                        index = int(tokens[1].split("_")[1][3:]) - 1
+                        if index < len(self.detectors):
+                            det = self.detectors[index]
+                            det.id = tokens[1] 
+                            det.sn= tokens[2] if len(tokens)>2 else None
+                            det.status = int(tokens[3][2:]) if len(tokens)>3 else None
+                            det.type = tokens[4] if len(tokens)>4 else None                    
+                            if det.status!= 0:
+                                det.set_inputs({})
+                else:                                  
+                     for det in self.detectors:
+                         if det.id is not None and msg.startswith(det.id):                             
+                             det_id = int(tokens[0][len(det.id)+1:])
+                             det.set_input(det_id, int(tokens[1]))
+            except:
+                print  >> sys.stderr, traceback.format_exc()
+                getLogger().log(traceback.format_exc())            
+
+     
+
+
+#count = 1
+#while (True):
+#    print    onewire.waitString("\n", 1000)#
+#
+#    print count
+#    count = count + 1
+
+
+
+
+
+
+add_device(Esera("onewire", "129.129.126.83:5000"), force = True)   
+onewire.setPolling(1000)
+add_device(onewire.detectors[0], force = True)   
+add_device(onewire.detectors[1], force = True)   
+add_device(onewire.detectors[2], force = True)