diff --git a/ZgatewayIR.ino b/ZgatewayIR.ino
index 6fa77d4..26c37f3 100644
--- a/ZgatewayIR.ino
+++ b/ZgatewayIR.ino
@@ -158,7 +158,6 @@ void MQTTtoIR(char * topicOri, char * datacallback) {
     
     //We look into the subject to see if a special Bits number is defined 
   String topic = topicOri;
-  int valueRPT = 0;
   unsigned int valueBITS  = 0;
   int pos = topic.lastIndexOf(IRbitsKey);       
   if (pos != -1){
@@ -168,6 +167,7 @@ void MQTTtoIR(char * topicOri, char * datacallback) {
     trc(String(valueBITS));
   }
   //We look into the subject to see if a special repeat number is defined 
+  int valueRPT = 0;
   int pos2 = topic.lastIndexOf(IRRptKey);
   if (pos2 != -1) {
     pos2 = pos2 + strlen(IRRptKey);
diff --git a/ZsensorBH1750.ino b/ZsensorBH1750.ino
index f598430..9b71a71 100644
--- a/ZsensorBH1750.ino
+++ b/ZsensorBH1750.ino
@@ -1,4 +1,4 @@
-/*  
+  /*  
   OpenMQTTGateway Addon  - ESP8266 or Arduino program for home automation 
 
    Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal  and a MQTT broker 
@@ -110,7 +110,7 @@ void MeasureLightIntensity()
       // Generate Lux
       if(Lux != persistedll || bh1750_always){
         char lux[7];
-        sprintf(lux,"%d",Lux);
+        sprintf(lux,"%u",Lux);
         trc(F("Sending Lux to MQTT"));
         trc(String(lux));
         client.publish(LUX,lux);
diff --git a/ZsensorBME280.ino b/ZsensorBME280.ino
index 6e47bb6..e69a029 100644
--- a/ZsensorBME280.ino
+++ b/ZsensorBME280.ino
@@ -124,7 +124,6 @@ void MeasureTempHumAndPressure()
 
   if (millis() > (timebme280 + TimeBetweenReadingbme280)) {
     timebme280 = millis();
-    unsigned int i=0;
     static float persisted_bme_tempc;
     static float persisted_bme_tempf;
     static float persisted_bme_hum;