diff --git a/slave/slave/lib/inputOutput.c b/slave/slave/lib/inputOutput.c
--- a/slave/slave/lib/inputOutput.c
+++ b/slave/slave/lib/inputOutput.c
@@ -43,10 +43,10 @@ int8_t	moduleID;	// Slave Module ID from
  void io_readModuleId()
  {
 	// Get ID from rotary dip and return it. 
-	moduleID = 2;
+	moduleID = 0;
 	
-	/*
-	// This method is temporary as the next release will read the module ID from EEPROM
+	
+	// First read ID from rotary encoder
 	PORTC |= (1 << PC2);	// Pull pins on rotary dip high
 	PORTC |= (1 << PC3);	// Pull pins on rotary dip high
 	PORTC |= (1 << PC4);	// Pull pins on rotary dip high
@@ -55,9 +55,9 @@ int8_t	moduleID;	// Slave Module ID from
 	moduleID = ((PINC & 0b00011100) >> 2);		// Read Dip Encoder
 	moduleID = ~moduleID;						//Invert Dip reading
 	moduleID = (moduleID & 0b0111);				//Mask bits
-	*/
-
-	while(moduleID==0)           //UNCOMMENT ALL THIS
+	
+	// If rotary encoder was 0, read ID from EEPROM
+	while(moduleID==0)           
 	{
 		moduleID = i2c_read(EEPROM_ADDR, 0x05);
 	}
diff --git a/slave/slave/lib/sensors.c b/slave/slave/lib/sensors.c
--- a/slave/slave/lib/sensors.c
+++ b/slave/slave/lib/sensors.c
@@ -186,10 +186,10 @@ void sensors_readPressure()
 	x1 = (x1 * 3038) >> 16;
 	x2 = (-7357 * pressure) >> 16;
 	pressure += (x1 + x2 + 3791) >> 4;				//This is the final value for our pressure
-	pressure = pressure - 20750;	// Linear Offset for actual pressure
+	pressure = pressure;	// Linear Offset for actual pressure
 	
-	altitude = (float)44330 * (1 - pow(((float) pressure/105225), 0.190295));	// 101325 THIS IS IN METERS
-	altitude = altitude * 3.2804;	//THIS IS IN FEET
+	altitude = (float)44330 * (1 - pow(((float) pressure/101325), 0.190295));	// 101325 THIS IS IN METERS
+	altitude = (float)altitude * 3.2804;	//THIS IS IN FEET
 }
 
 void sensors_readHumid()
diff --git a/slave/slave/modules.c b/slave/slave/modules.c
--- a/slave/slave/modules.c
+++ b/slave/slave/modules.c
@@ -137,7 +137,7 @@
 	sensors_readSpiTemp();			//Data Read	
 	sensors_readPressure();			//Data Read
 	//sensors_readHumid();			//Data Read
-	//sensors_readLux();				//Data Read
+	sensors_readLux();				//Data Read
 	 
  }