diff --git a/libraries/MySensors/examples/CO2Sensor/AirQualityCO2 b/libraries/MySensors/examples/CO2Sensor/CO2Sensor.ino
similarity index 100%
rename from libraries/MySensors/examples/CO2Sensor/AirQualityCO2
rename to libraries/MySensors/examples/CO2Sensor/CO2Sensor.ino
diff --git a/libraries/MySensors/examples/DustSensorDSM/DustDSM501Sensor.ino b/libraries/MySensors/examples/DustSensorDSM/DustSensorDSM.ino
similarity index 100%
rename from libraries/MySensors/examples/DustSensorDSM/DustDSM501Sensor.ino
rename to libraries/MySensors/examples/DustSensorDSM/DustSensorDSM.ino
diff --git a/libraries/MySensors/examples/ParkingSensor/ParkingSensor.ino b/libraries/MySensors/examples/ParkingSensor/ParkingSensor.ino
index d54e599..f8ad6de 100644
--- a/libraries/MySensors/examples/ParkingSensor/ParkingSensor.ino
+++ b/libraries/MySensors/examples/ParkingSensor/ParkingSensor.ino
@@ -68,16 +68,16 @@ NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and
 MySensor gw;
 MyMessage msg(CHILD_ID,V_TRIPPED);
 int oldParkedStatus=-1;
-int sendInterval = 5000;  // Send park status at maximum every 5 second.
+unsigned long sendInterval = 5000;  // Send park status at maximum every 5 second.
 unsigned long lastSend;
 #endif
 
-int blinkInterval = 100; // blink interval (milliseconds)
+unsigned long blinkInterval = 100; // blink interval (milliseconds)
 unsigned long lastBlinkPeriod;
 bool blinkColor = true;
 
 // To make a fading motion on the led ring/tape we only move one pixel/distDebounce time
-int distDebounce = 30; 
+unsigned long distDebounce = 30; 
 unsigned long lastDebouncePeriod;
 int numLightPixels=0;
 int skipZero=0;
@@ -161,4 +161,4 @@ void loop() {
     }
     pixels.show(); // This sends the updated pixel color to the hardware.
   }
-}
+}
\ No newline at end of file
diff --git a/libraries/MySensors/examples/RGB-3D/RGB-3D.ino b/libraries/MySensors/examples/RGB-3D/RGB-3D.ino
index 5697a0a..1862c53 100644
--- a/libraries/MySensors/examples/RGB-3D/RGB-3D.ino
+++ b/libraries/MySensors/examples/RGB-3D/RGB-3D.ino
@@ -78,9 +78,9 @@ void setup()
   pinMode(BLUE_PIN, OUTPUT);
 
   // Correct saved RGB value for first start
-  gw.saveState(RED_PIN, constrain(gw.loadState(RED_PIN), 0, 100)); 
-  gw.saveState(GREEN_PIN, constrain(gw.loadState(GREEN_PIN), 0, 100)); 
-  gw.saveState(BLUE_PIN, constrain(gw.loadState(BLUE_PIN), 0, 100)); 
+  gw.saveState(RED_PIN, constrain((int8_t)gw.loadState(RED_PIN), 0, 100)); 
+  gw.saveState(GREEN_PIN, constrain((int8_t)gw.loadState(GREEN_PIN), 0, 100)); 
+  gw.saveState(BLUE_PIN, constrain((int8_t)gw.loadState(BLUE_PIN), 0, 100)); 
              
   // Get value from eeprom and write to output
   analogWrite(RED_PIN, 255 * gw.loadState(RED_PIN) / 100); 		
@@ -105,7 +105,7 @@ void setup()
   gw.send( BlueStatus.set(gw.loadState(BLUE_PIN)), false );
   
   // Correct RGB show state for first start and load it (set to 'On' at first start)
-  gw.saveState(0, constrain(gw.loadState(0), 0, 1));
+  gw.saveState(0, constrain((int8_t)gw.loadState(0), 0, 1));
   isShow=gw.loadState(0);
        
   // Send RGB show state to controler (request ack back: true/false)
@@ -189,7 +189,7 @@ void incomingMessage(const MyMessage &message)
           	// Save old value to eeprom if it'was not zero
           	if ( gw.loadState(message.sensor) != 0 )
           	{
-            		gw.saveState(10*message.sensor, constrain(gw.loadState(message.sensor), 0, 100)); 
+            		gw.saveState(10*message.sensor, constrain((int8_t)gw.loadState(message.sensor), 0, 100)); 
           	}
           	// Save new value to eeprom
           	gw.saveState(message.sensor, 0); 
@@ -212,7 +212,7 @@ void incomingMessage(const MyMessage &message)
   {    
     	uint8_t incomingDimmerStatus = message.getByte();
     	// limits range of sensor values to between 0 and 100 
-    	incomingDimmerStatus = constrain(incomingDimmerStatus, 0, 100);
+    	incomingDimmerStatus = constrain((int8_t)incomingDimmerStatus, 0, 100);
     	// Change Dimmer level
     	analogWrite(message.sensor, 255 * incomingDimmerStatus / 100);
     	//Save value to eeprom