increase space for wifi stack

#112

ZsensorADC.ino

@@ -40,7 +40,9 @@ void MeasureADC(){
     timeadc = millis();
     static int persistedadc;
     int val = analogRead(ADC_PIN);
- 
+    #ifdef ESP8266
+      yield();
+    #endif
     if (isnan(val)) {
       trc(F("Failed to read from ADC !"));
     }else{

config_ADC.h

@@ -27,7 +27,7 @@
 /*----------------------------USER PARAMETERS-----------------------------*/
 /*-------------DEFINE YOUR MQTT PARAMETERS BELOW----------------*/
 #define ADC   "home/ADCtoMQTT"
-#define TimeBetweenReadingADC 100 // time between 2 ADC readings, minimum 100 to let the time of the ESP to keep the connection
+#define TimeBetweenReadingADC 200 // time between 2 ADC readings, minimum 200 to let the time of the ESP to keep the connection
 #define ThresholdReadingADC 50  //  following the comparison between the previous value and the current one +- the threshold the value will be published or not
 
 /*-------------------PIN DEFINITIONS----------------------*/