diff --git a/_433toMQTTto433_ESP8266.ino b/_433toMQTTto433_ESP8266.ino
index 0bb6d3b..7356d08 100644
--- a/_433toMQTTto433_ESP8266.ino
+++ b/_433toMQTTto433_ESP8266.ino
@@ -1,238 +1,238 @@
-/*
-  433toMQTTto433  - ESP8266 program for home automation 
-
-   Act as a wifi gateway between your nodes and a MQTT broker
-   Send and receiving command by MQTT
- 
-  This program enables to:
- - receive MQTT data from a topic and send RF 433Mhz signal corresponding to the received MQTT data
- - publish MQTT data to a different topic related to received 433Mhz signal
-
-  Contributor:
-  - 1technophile
-
-  Based on:
-  - MQTT library (https://github.com/knolleary)
-  - RCSwitch (https://github.com/sui77/rc-switch)
-  - ESP8266Wifi
-  
-  Project home: https://github.com/1technophile/433toMQTTto433_ESP8266
-  Blog: https://1technophile.blogspot.com/
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
-and associated documentation files (the "Software"), to deal in the Software without restriction, 
-including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
-and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
-subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
-TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
-THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
-CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Some usefull commands to test gateway with mosquitto
-Subscribe to the subject for data receiption from RF signal
-mosquitto_sub -t home/433toMQTT
-
-Send data by MQTT to convert it on RF signal
-mosquitto_pub -t home/MQTTto433/ -m 1315153
-*/
-#include <ESP8266WiFi.h>
-#include <PubSubClient.h>
-#include <RCSwitch.h> // library for controling Radio frequency switch
-
-RCSwitch mySwitch = RCSwitch();
-
-//Do we want to see trace for debugging purposes
-#define TRACE 1  // 0= trace off 1 = trace on
-
-// Update these with values suitable for your network.
-#define wifi_ssid "mywifiid"
-#define wifi_password "mypwd"
-#define mqtt_server "192.168.0.22"
-#define mqtt_user "your_username" // not compulsory
-#define mqtt_password "your_password" // not compulsory
-
-//adding this to bypass to problem of the arduino builder issue 50
-void callback(char*topic, byte* payload,unsigned int length);
-WiFiClient espClient;
-
-// client parameters
-PubSubClient client(mqtt_server, 1883, callback, espClient);
-
-//MQTT last attemps reconnection number
-long lastReconnectAttempt = 0;
-
-// Callback function, when the gateway receive an MQTT value on the topics subscribed this function is called
-void callback(char* topic, byte* payload, unsigned int length) {
-  // In order to republish this payload, a copy must be made
-  // as the orignal payload buffer will be overwritten whilst
-  // constructing the PUBLISH packet.
-  trc("Hey I got a callback ");
-  // Allocate the correct amount of memory for the payload copy
-  byte* p = (byte*)malloc(length);
-  // Copy the payload to the new buffer
-  memcpy(p,payload,length);
-  
-  // Conversion to a printable string
-  p[length] = '\0';
-  String callbackstring = String((char *) p);
-  String topicNameRec = String((char*) topic);
-  
-  //launch the function to treat received data
-  receivingMQTT(topicNameRec,callbackstring);
-
-  // Free the memory
-  free(p);
-}
-
-void setup()
-{
-  //Launch serial for debugging purposes
-  Serial.begin(9600);
-  //Begining ethernet connection
-  setup_wifi();
-  //client.setServer(mqtt_server, 1883);
-  delay(1500);
-  lastReconnectAttempt = 0;
-  
-  mySwitch.enableTransmit(4); // RF Transmitter is connected to Arduino Pin #10 
-  mySwitch.setRepeatTransmit(20); //increase transmit repeat to avoid lost of rf sendings
-  mySwitch.enableReceive(0);  // Receiver on inerrupt 0 => that is pin #2
-}
-
-void setup_wifi() {
-  delay(10);
-  // We start by connecting to a WiFi network
-  trc("Connecting to ");
-  trc(wifi_ssid);
-
-  WiFi.begin(wifi_ssid, wifi_password);
-
-  while (WiFi.status() != WL_CONNECTED) {
-    delay(500);
-    trc(".");
-  }
-  trc("WiFi connected");
-}
-
-boolean reconnect() {
-  // Loop until we're reconnected
-  while (!client.connected()) {
-    trc("Attempting MQTT connection...");
-    // Attempt to connect
-    // If you  want to use a username and password, change next line to
-    //if (client.connect("ESP8266Client", mqtt_user, mqtt_password)) {
-    // and set username and password at the program beginning
-    if (client.connect("433toMQTTto433")) {
-    // Once connected, publish an announcement...
-      client.publish("outTopic","hello world");
-      trc("connected");
-    //Topic subscribed so as to get data
-    String topicNameRec = String("home/MQTTto433/");
-    //Subscribing to topic(s)
-    subscribing(topicNameRec);
-    } else {
-      trc("failed, rc=");
-      trc(String(client.state()));
-      trc(" try again in 5 seconds");
-      // Wait 5 seconds before retrying
-      delay(5000);
-    }
-  }
-  return client.connected();
-}
-
-void loop()
-{
-  //MQTT client connexion management
-  if (!client.connected()) {
-    long now = millis();
-    if (now - lastReconnectAttempt > 5000) {
-      lastReconnectAttempt = now;
-      trc("client mqtt not connected, trying to connect");
-      // Attempt to reconnect
-      if (reconnect()) {
-        lastReconnectAttempt = 0;
-      }
-    }
-  } else {
-    // MQTT loop
-    client.loop();
-  }
-
-  // Receive loop, if data received by RF433 send it by MQTT to MQTTsubject
-  if (mySwitch.available()) {
-    // Topic on which we will send data
-    trc("Receiving 433Mhz signal");
-    String MQTTsubject = "home/433toMQTT";
-    long MQTTvalue;
-    MQTTvalue=mySwitch.getReceivedValue();  
-    mySwitch.resetAvailable();
-    if (client.connected()) {
-      trc("Sending 433Mhz signal to MQTT");
-      trc(String(MQTTvalue));
-      sendMQTT(MQTTsubject,String(MQTTvalue));
-    } else {
-      if (reconnect()) {
-        sendMQTT(MQTTsubject,String(MQTTvalue));
-        lastReconnectAttempt = 0;
-      }
-    }
-  }
-}
-
-void subscribing(String topicNameRec){ // MQTT subscribing to topic
-  char topicStrRec[26];
-  topicNameRec.toCharArray(topicStrRec,26);
-  // subscription to topic for receiving data
-  boolean pubresult = client.subscribe(topicStrRec);
-  if (pubresult) {
-    trc("subscription OK to");
-    trc(topicNameRec);
-  }
-}
-
-void receivingMQTT(String topicNameRec, String callbackstring) {
-  trc("Receiving data by MQTT");
-  trc(topicNameRec);
-  char topicOri[26] = "";
-  char topicStrAck[26] = "";
-  char datacallback[26] = "";
-  
-  // Below you send RF signal following data value received by MQTT 
-    // converting string to char for condition statement
-    callbackstring.toCharArray(datacallback,26);
-    trc(datacallback);
-    long int data = atol(datacallback);
-    trc("Send received data by RF 433");
-    trc(String(data));
-    //send received MQTT value by RF signal (example of signal sent data = 5264660), we activate the transmitter on pin 9 the time to send data by RF
-    mySwitch.send(data, 24);
-}
-
-//send MQTT data dataStr to topic topicNameSend
-void sendMQTT(String topicNameSend, String dataStr){
-
-    char topicStrSend[26];
-    topicNameSend.toCharArray(topicStrSend,26);
-    char dataStrSend[200];
-    dataStr.toCharArray(dataStrSend,200);
-    boolean pubresult = client.publish(topicStrSend,dataStrSend);
-    trc("sending ");
-    trc(dataStr);
-    trc("to ");
-    trc(topicNameSend);
-
-}
-
-//trace
-void trc(String msg){
-  if (TRACE) {
-  Serial.println(msg);
-  }
-}
-
+/*
+  433toMQTTto433  - ESP8266 program for home automation 
+
+   Act as a wifi gateway between your nodes and a MQTT broker
+   Send and receiving command by MQTT
+ 
+  This program enables to:
+ - receive MQTT data from a topic and send RF 433Mhz signal corresponding to the received MQTT data
+ - publish MQTT data to a different topic related to received 433Mhz signal
+
+  Contributor:
+  - 1technophile
+
+  Based on:
+  - MQTT library (https://github.com/knolleary)
+  - RCSwitch (https://github.com/sui77/rc-switch)
+  - ESP8266Wifi
+  
+  Project home: https://github.com/1technophile/433toMQTTto433_ESP8266
+  Blog: https://1technophile.blogspot.com/
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
+and associated documentation files (the "Software"), to deal in the Software without restriction, 
+including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Some usefull commands to test gateway with mosquitto
+Subscribe to the subject for data receiption from RF signal
+mosquitto_sub -t home/433toMQTT
+
+Send data by MQTT to convert it on RF signal
+mosquitto_pub -t home/MQTTto433/ -m 1315153
+*/
+#include <ESP8266WiFi.h>
+#include <PubSubClient.h>
+#include <RCSwitch.h> // library for controling Radio frequency switch
+
+RCSwitch mySwitch = RCSwitch();
+
+//Do we want to see trace for debugging purposes
+#define TRACE 1  // 0= trace off 1 = trace on
+
+// Update these with values suitable for your network.
+#define wifi_ssid "mywifiid"
+#define wifi_password "mypwd"
+#define mqtt_server "192.168.0.22"
+#define mqtt_user "your_username" // not compulsory if you set it uncomment line 127 and comment line 129
+#define mqtt_password "your_password" // not compulsory if you set it uncomment line 127 and comment line 129
+
+//adding this to bypass to problem of the arduino builder issue 50
+void callback(char*topic, byte* payload,unsigned int length);
+WiFiClient espClient;
+
+// client parameters
+PubSubClient client(mqtt_server, 1883, callback, espClient);
+
+//MQTT last attemps reconnection number
+long lastReconnectAttempt = 0;
+
+// Callback function, when the gateway receive an MQTT value on the topics subscribed this function is called
+void callback(char* topic, byte* payload, unsigned int length) {
+  // In order to republish this payload, a copy must be made
+  // as the orignal payload buffer will be overwritten whilst
+  // constructing the PUBLISH packet.
+  trc("Hey I got a callback ");
+  // Allocate the correct amount of memory for the payload copy
+  byte* p = (byte*)malloc(length);
+  // Copy the payload to the new buffer
+  memcpy(p,payload,length);
+  
+  // Conversion to a printable string
+  p[length] = '\0';
+  String callbackstring = String((char *) p);
+  String topicNameRec = String((char*) topic);
+  
+  //launch the function to treat received data
+  receivingMQTT(topicNameRec,callbackstring);
+
+  // Free the memory
+  free(p);
+}
+
+void setup()
+{
+  //Launch serial for debugging purposes
+  Serial.begin(9600);
+  //Begining ethernet connection
+  setup_wifi();
+  //client.setServer(mqtt_server, 1883);
+  delay(1500);
+  lastReconnectAttempt = 0;
+  
+  mySwitch.enableTransmit(4); // RF Transmitter is connected to Arduino Pin #10 
+  mySwitch.setRepeatTransmit(20); //increase transmit repeat to avoid lost of rf sendings
+  mySwitch.enableReceive(0);  // Receiver on inerrupt 0 => that is pin #2
+}
+
+void setup_wifi() {
+  delay(10);
+  // We start by connecting to a WiFi network
+  trc("Connecting to ");
+  trc(wifi_ssid);
+
+  WiFi.begin(wifi_ssid, wifi_password);
+
+  while (WiFi.status() != WL_CONNECTED) {
+    delay(500);
+    trc(".");
+  }
+  trc("WiFi connected");
+}
+
+boolean reconnect() {
+  // Loop until we're reconnected
+  while (!client.connected()) {
+    trc("Attempting MQTT connection...");
+    // Attempt to connect
+    // If you  want to use a username and password, change next line to
+    //if (client.connect("433toMQTTto433", mqtt_user, mqtt_password)) {
+    // and set username and password at the program beginning
+    if (client.connect("433toMQTTto433")) {
+    // Once connected, publish an announcement...
+      client.publish("outTopic","hello world");
+      trc("connected");
+    //Topic subscribed so as to get data
+    String topicNameRec = String("home/MQTTto433/");
+    //Subscribing to topic(s)
+    subscribing(topicNameRec);
+    } else {
+      trc("failed, rc=");
+      trc(String(client.state()));
+      trc(" try again in 5 seconds");
+      // Wait 5 seconds before retrying
+      delay(5000);
+    }
+  }
+  return client.connected();
+}
+
+void loop()
+{
+  //MQTT client connexion management
+  if (!client.connected()) {
+    long now = millis();
+    if (now - lastReconnectAttempt > 5000) {
+      lastReconnectAttempt = now;
+      trc("client mqtt not connected, trying to connect");
+      // Attempt to reconnect
+      if (reconnect()) {
+        lastReconnectAttempt = 0;
+      }
+    }
+  } else {
+    // MQTT loop
+    client.loop();
+  }
+
+  // Receive loop, if data received by RF433 send it by MQTT to MQTTsubject
+  if (mySwitch.available()) {
+    // Topic on which we will send data
+    trc("Receiving 433Mhz signal");
+    String MQTTsubject = "home/433toMQTT";
+    long MQTTvalue;
+    MQTTvalue=mySwitch.getReceivedValue();  
+    mySwitch.resetAvailable();
+    if (client.connected()) {
+      trc("Sending 433Mhz signal to MQTT");
+      trc(String(MQTTvalue));
+      sendMQTT(MQTTsubject,String(MQTTvalue));
+    } else {
+      if (reconnect()) {
+        sendMQTT(MQTTsubject,String(MQTTvalue));
+        lastReconnectAttempt = 0;
+      }
+    }
+  }
+}
+
+void subscribing(String topicNameRec){ // MQTT subscribing to topic
+  char topicStrRec[26];
+  topicNameRec.toCharArray(topicStrRec,26);
+  // subscription to topic for receiving data
+  boolean pubresult = client.subscribe(topicStrRec);
+  if (pubresult) {
+    trc("subscription OK to");
+    trc(topicNameRec);
+  }
+}
+
+void receivingMQTT(String topicNameRec, String callbackstring) {
+  trc("Receiving data by MQTT");
+  trc(topicNameRec);
+  char topicOri[26] = "";
+  char topicStrAck[26] = "";
+  char datacallback[26] = "";
+  
+  // Below you send RF signal following data value received by MQTT 
+    // converting string to char for condition statement
+    callbackstring.toCharArray(datacallback,26);
+    trc(datacallback);
+    long int data = atol(datacallback);
+    trc("Send received data by RF 433");
+    trc(String(data));
+    //send received MQTT value by RF signal (example of signal sent data = 5264660), we activate the transmitter on pin 9 the time to send data by RF
+    mySwitch.send(data, 24);
+}
+
+//send MQTT data dataStr to topic topicNameSend
+void sendMQTT(String topicNameSend, String dataStr){
+
+    char topicStrSend[26];
+    topicNameSend.toCharArray(topicStrSend,26);
+    char dataStrSend[200];
+    dataStr.toCharArray(dataStrSend,200);
+    boolean pubresult = client.publish(topicStrSend,dataStrSend);
+    trc("sending ");
+    trc(dataStr);
+    trc("to ");
+    trc(topicNameSend);
+
+}
+
+//trace
+void trc(String msg){
+  if (TRACE) {
+  Serial.println(msg);
+  }
+}
+