diff --git a/slave/slave/config.h b/slave/slave/config.h
--- a/slave/slave/config.h
+++ b/slave/slave/config.h
@@ -34,8 +34,9 @@
  //I2C Addresses
  #define EEPROM_ADDR 0xA0		// Read 0xA1 - Write 0xA0
  #define BOARDTEMP_ADDR 0x90	// Read 0x91 - Write 0x90
- #define PRESSURE_ADDR 0xB1		//THIS VALUE IS WRONG
- #define HUMID_ADDR 0xB4		//THIS VALUE IS WRONG
+ #define PRESSURE_ADDR 0xEF		// Read 0xEF - Write 0xEE
+ #define HUMID_ADDR 0x27		// Read 0x27 - Write 0x26
+ #define LIGHT_ADDR 0x95		// Read 0x95 - Write 0x94
  #define RTC_ADDR 0xB2			//DEBUG [Used for testing]      // Read 0xA3 - Write 0xA2
 
 
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
@@ -17,6 +17,9 @@
 
 int16_t	spiTemp;	// Thermocouple Temperature (from spi)
 int8_t	boardTemp;	// Board Temperature (from i2c)
+uint16_t pressure;	// Pressure (from i2c)
+//int humid;		// Humidity (from i2c)
+uint8_t light;		// Lux reading (from i2c)
 
 
 void sensors_readSpiTemp()
@@ -52,6 +55,33 @@ void sensors_readBoardTemp()
 	boardTemp = boardTemp - 3;						// Linear offset
 }
 
+void sensors_readPressure()
+{//needs editing
+	pressure = i2c_read(PRESSURE_ADDR, 0xF6);
+	pressure = pressure << 8;
+	pressure = pressure | i2c_read(PRESSURE_ADDR, 0xF7);
+}
+
+void sensors_readHumid()
+{
+	//humid = i2c_read(HUMID_ADDR, 0xXX);
+}
+
+void sensors_readLight()
+{
+	light = i2c_read(LIGHT_ADDR, 0x03);
+	// light = light << 4;
+	// light = light | (0x0F & i2c_read(LIGHT_ADDR, 0x04));  //  This can be used to read in the 4 LSBs from the second register
+	// FOR FIRST BYTE:
+	// Lux = 2^(exponent)*mantissa*0.72
+	// exponent = 8xE3 + 4xE2 + 2xE1 + E0
+	// mantissa = 8xM7 + 4xM6 + 2xM5 + M4
+	// FOR BOTH BYTES:
+	// Lux = 2^(exponent)*mantissa*0.045
+	// exponent = 8xE3 + 4xE2 + 2xE1 + E0
+	// mantissa = 128xM7 + 64xM6 + 32xM5 + 16xM4 + 8xM3 + 4xM2 + 2xM1 + M0
+}
+
 int16_t sensors_getSpiTemp(void)	// Gets spi temperature from variable
 {
 	return spiTemp;
@@ -62,3 +92,17 @@ int8_t sensors_getBoardTemp(void)	// Get
 	return boardTemp;
 }
 
+uint16_t sensors_getPressure(void)
+{
+	return pressure;
+}
+
+//int sensors_getHumid(void)
+//{
+	//return humid;
+//}
+
+uint8_t sensors_getLight(void)
+{
+	return light;
+}
\ No newline at end of file
diff --git a/slave/slave/lib/sensors.h b/slave/slave/lib/sensors.h
--- a/slave/slave/lib/sensors.h
+++ b/slave/slave/lib/sensors.h
@@ -12,8 +12,14 @@
 
 void sensors_readSpiTemp(void);		// Reads spi temperature
 void sensors_readBoardTemp(void);	// Reads board temperature
+void sensors_readPressure(void);	// Reads pressure
+void sensors_readHumid(void);		// Reads humidity
+void sensors_readLight(void);		// Reads lux
 
 int16_t sensors_getSpiTemp(void);	// Gets spi temperature from variable
 int8_t sensors_getBoardTemp(void);	// Gets board temperature from variable
+uint16_t sensors_getPressure(void);	// Gets pressure from variable
+//int sensors_getHumid(void);	// Gets humidity from variable
+uint8_t sensors_getLight(void);		// Gets lux from variable
 
 #endif /* SENSORS_H_ */
\ No newline at end of file
diff --git a/slave/slave/slave.cproj b/slave/slave/slave.cproj
--- a/slave/slave/slave.cproj
+++ b/slave/slave/slave.cproj
@@ -20,7 +20,7 @@
     <OverrideVtor>false</OverrideVtor>
     <OverrideVtorValue />
     <eraseonlaunchrule>0</eraseonlaunchrule>
-    <AsfVersion>3.1.3</AsfVersion>
+    <AsfVersion>2.11.1</AsfVersion>
     <avrtoolinterface>ISP</avrtoolinterface>
     <avrtool>com.atmel.avrdbg.tool.ispmk2</avrtool>
     <com_atmel_avrdbg_tool_simulator>