missing sensor error

esp32/include/PlantCtrl.h

@@ -82,6 +82,9 @@ public:
 
     float getCurrentMoisture()
     {   
+        if(mMoisture_freq < MOIST_SENSOR_MIN_FRQ){
+            return MISSING_SENSOR;
+        }
         return mMoisture_freq;
     }
 

esp32/src/main.cpp

@@ -273,6 +273,11 @@ void readPowerSwitchedSensors()
     mPlants[i].stopMoistureMeasurement();
   }
 
+  for (int i = 0; i < MAX_PLANTS; i++)
+  {
+    Serial << "Plant " << i << " measurement: " << mPlants[i].getCurrentMoisture() << " hz" << endl;
+  }
+
   waterRawSensor.clear();
   Wire.setPins(SENSOR_TANK_TRG, SENSOR_TANK_ECHO);
   Wire.begin();