Update examples

Author: PaulZC

examples/Example1_ReadVoltageCurrentPower/Example1_ReadVoltageCurrentPower.ino

@@ -43,9 +43,9 @@ void setup()
 
 void loop()
 {
-  float volts;
-  float amps;
-  float watts;
+  float volts = 0.0;
+  float amps = 0.0;
+  float watts = 0.0;
 
   mySensor.readInstantaneous(&volts, &amps, &watts); // Read the instantaneous voltage, current and power
   Serial.print(F("Volts: "));

examples/Example4_ReadVoltageCurrentRMS/Example4_ReadVoltageCurrentRMS.ino

@@ -39,7 +39,7 @@ void setup()
 
   // We need to connect the LO pin to the 'low' side of the AC source.
   // So we need to set the divider resistance to 4M Ohms (instead of 2M).
-  mySensor.setDividerRes(4000000);
+  mySensor.setDividerRes(4000000); // Comment this line if you are using GND to measure the 'low' side of the AC voltage
 }
 
 void loop()

examples/Example5_ReadVoltageCurrentPowerRMS/Example5_ReadVoltageCurrentPowerRMS.ino

@@ -39,7 +39,7 @@ void setup()
 
   // We need to connect the LO pin to the 'low' side of the AC source.
   // So we need to set the divider resistance to 4M Ohms (instead of 2M).
-  mySensor.setDividerRes(4000000);
+  mySensor.setDividerRes(4000000); // Comment this line if you are using GND to measure the 'low' side of the AC voltage
 }
 
 void loop()