diff --git a/master/master/config.h b/master/master/config.h
--- a/master/master/config.h
+++ b/master/master/config.h
@@ -44,6 +44,9 @@
 #define SLAVE6_SENSORS NONE
 #define SLAVE7_SENSORS NONE
 
+// MAX_SLAVES should be one more than the number of slaves we actually have (loop ends when next slave first sensor is NONE)
+#define MAX_SLAVES 8
+#define MAX_SLAVE_SENSORS 8
 
 // --------------------------------------------------------------------------
 // Command Parser config (serparser.c)
diff --git a/master/master/lib/serparser.c b/master/master/lib/serparser.c
--- a/master/master/lib/serparser.c
+++ b/master/master/lib/serparser.c
@@ -32,17 +32,31 @@ uint8_t parserState = STATE_RESET;
 uint8_t lastParserState = STATE_RESET;
 
 // Length of current payload data (and checksum)
-uint8_t dataLength = 0;
+uint8_t payloadLength = 0;
 
 // Data and checksum of most recent transmission
 char receivedPayload[MAX_PAYLOAD_LEN];
 
 // Payload type ID of the sensor of most recent transmission
-char receivedDataType = 0;
+char receivedPayloadType = 0;
 
 // Checksum to be calculated and then compared to the received checksum
 char checksumCalc = 0;
 
+// Accessors
+uint8_t getPayloadLength() 
+{
+	return payloadLength;
+}
+uint8_t* getPayload() 
+{
+	return receivedPayload;
+}
+uint8_t getPayloadType() {
+	return receivedPayloadType;
+}
+
+
 // Could inline if program space available
 static void setParserState(uint8_t state)
 {
@@ -52,7 +66,7 @@ static void setParserState(uint8_t state
 	// If resetting, clear vars
 	if(state == STATE_RESET) 
 	{
-		dataLength = 0;
+		payloadLength = 0;
 		checksumCalc = 0;
 	}
 	
@@ -66,7 +80,6 @@ char debugBuff[16];
 
 ISR(USART0__RX_vect)
 {
-	led_on(POWER);
 	buffer[bufferDataPosition % BUFFER_SIZE] = UDR0;
 	bufferDataPosition = (bufferDataPosition + 1) % BUFFER_SIZE;
 	/*sprintf(debugBuff, "bdp: %d, bpp: %d \r\n", bufferDataPosition, bufferParsePosition);
@@ -134,7 +147,7 @@ int serparser_parse(void)
 			#ifdef DEBUG
 			serial0_sendString("type\r\n");
 			#endif
-			receivedDataType = byte; // Store the type of data receiving
+			receivedPayloadType = byte; // Store the type of data receiving
 			checksumCalc += byte;
 			setParserState(STATE_GETDATA);
 		}
@@ -144,11 +157,13 @@ int serparser_parse(void)
 		{		
 			if (byte == ']') // End of frame
 			{
-				#ifdef DEBUG
+				//#ifdef DEBUG
 				serial0_sendString("eof\r\n");
-				sprintf(debugBuff, "%d B, sum=%d\r\n", dataLength, checksumCalc);
+				sprintf(debugBuff, "%d B, sum=%d\r\n", payloadLength, checksumCalc);
 				serial0_sendString((debugBuff));
-				#endif
+				//#endif
+				
+				receivedPayload[payloadLength] = 0; // null-terminate string for atoi
 				
 				setParserState(STATE_GETCHECKSUM);
 				// Checksum is now after the close bracket to solve bug FS#29		
@@ -160,12 +175,12 @@ int serparser_parse(void)
 				#ifdef DEBUG
 				serial0_sendString("data\r\n");
 				#endif
-				receivedPayload[dataLength] = byte;
-				dataLength++;
+				receivedPayload[payloadLength] = byte;
+				payloadLength++;
 				checksumCalc += byte;
 				
 				// Data buffer overrun protection
-				if(dataLength > MAX_PAYLOAD_LEN) {
+				if(payloadLength > MAX_PAYLOAD_LEN) {
 					#ifdef DEBUG
 					serial0_sendString("ovf\r\n");
 					#endif
@@ -192,6 +207,7 @@ int serparser_parse(void)
 			else {
 				serial0_sendString("bcheck\r\n");
 				setParserState(STATE_RESET);
+				
 				return PARSERESULT_FAIL;
 			}
 			
diff --git a/master/master/lib/serparser.h b/master/master/lib/serparser.h
--- a/master/master/lib/serparser.h
+++ b/master/master/lib/serparser.h
@@ -32,6 +32,12 @@ enum parseStates
 	STATE_GETCHECKSUM,
 };
 
+
+// Accessors
+uint8_t getPayloadLength();
+uint8_t* getPayload();
+uint8_t getPayloadType();
+
 // Prototypes
 int serparser_parse(void);
 
diff --git a/master/master/lib/slavesensors.c b/master/master/lib/slavesensors.c
--- a/master/master/lib/slavesensors.c
+++ b/master/master/lib/slavesensors.c
@@ -17,34 +17,19 @@
 #include "serparser.h"
 #include "slavesensors.h"
 
-// Serial Commands
-enum sensorTypes // CMD ID#
-{
-	NONE = 0,
-	BOARDTEMP = (1<<0),
-	PRESSURE = (1<<1),
-	GEIGER = (1<<2),
-	TEMPERATURE = (1<<3),
-	HUMIDITY = (1<<4),
-	AMBIENTLIGHT = (1<<5),
-	CAMERA = (1<<5),
-};
-
 uint8_t currentSlave = 0;
 uint8_t currentSlaveSensor = 0;
 
-uint8_t maxSlave = 8;
-uint8_t maxSensorsPerSlave = 8;
-uint16_t slaves[8][8];
+uint16_t slaves[MAX_SLAVES][MAX_SLAVE_SENSORS];
 
 bool requesting = false;
 
 void slavesensors_setup() 
 {
 	// Empty array
-	for(int i=0; i<maxSlave; i++) 
+	for(int i=0; i<MAX_SLAVES; i++) 
 	{
-		for(int j=0; j<maxSensorsPerSlave; j++) 
+		for(int j=0; j<MAX_SLAVE_SENSORS; j++) 
 		{
 			slaves[i][j] = NONE;
 		}			
@@ -83,9 +68,10 @@ void slavesensors_startprocess()
 	slavesensors_request();		
 }
 
-static void slavesensors_request() 
+// TODO: inline. static.
+void slavesensors_request() 
 {
-	serial_sendCommand(currentSlave + 0x30, currentSlaveSensor + 0x30, "");
+	serial_sendCommand(currentSlave + 0x30, slaves[currentSlave][currentSlaveSensor] + 0x30, "");
 }
 
 void slavesensors_process(uint8_t parseResult) 
@@ -104,6 +90,23 @@ void slavesensors_process(uint8_t parseR
 	// Finished reception of a message (one sensor data value). If not finished, send out command to get the next one
 	else if(parseResult == PARSERESULT_PARSEOK)
 	{
+		// We got some data, let's handle it
+		// ASCII payload
+		uint8_t len = getPayloadLength();
+		uint8_t* load = getPayload();
+		
+		uint8_t type = getPayloadType();
+		// TODO: Check if type matches. if it doesn't, we have a problem...
+		
+		uint16_t parsedVal = atoi(load);
+		
+		if(slaves[currentSlave][currentSlaveSensor] == BOARDTEMP) {
+			sensordata_setBoardTemp(currentSlave, parsedVal);
+		}
+		else {
+			sensordata_set(slaves[currentSlave][currentSlaveSensor], parsedVal);
+		}
+		
 		// If we finished all sensors for all slaves
 		if(slaves[currentSlave+1][0] == NONE && slaves[currentSlave][currentSlaveSensor+1] == NONE) // If next sensor is none and finished all slaves, reset
 		{
diff --git a/master/master/lib/slavesensors.h b/master/master/lib/slavesensors.h
--- a/master/master/lib/slavesensors.h
+++ b/master/master/lib/slavesensors.h
@@ -17,10 +17,23 @@
 #include <stdbool.h>
 #include <inttypes.h>
 
+// Serial Commands
+enum sensorTypes // CMD ID#
+{
+	NONE = 0,
+	BOARDTEMP,
+	PRESSURE,
+	GEIGER,
+	TEMPERATURE,
+	HUMIDITY,
+	AMBIENTLIGHT,
+	CAMERA,
+};
+
 bool slavesensors_isrequesting();
 void slavesensors_setup();
 void slavesensors_startprocess();
-static void slavesensors_request();
+void slavesensors_request();
 void slavesensors_process(uint8_t parseResult);
 
 #endif /* SLAVESENSORS_H_ */
\ No newline at end of file
diff --git a/master/master/master.c b/master/master/master.c
--- a/master/master/master.c
+++ b/master/master/master.c
@@ -30,6 +30,7 @@
 #include "lib/looptime.h"
 #include "lib/slavesensors.h"
 #include "lib/serparser.h"
+#include "lib/sensordata.h"
 
 void micro_setup() 
 {
@@ -41,24 +42,29 @@ int main(void)
     
 	// Initialize libraries
 	time_setup();
+	
 	micro_setup();
 	watchdog_setup();
+	
 	led_setup();
+	
 	serial0_setup();
 	serial1_setup();
+	
+	sensordata_setup(); // must happen before sensors/logger/afsk
 	slavesensors_setup();
 	logger_setup();
 	afsk_setup();
 
-	serial0_sendString("\r\n\r\n---------------------------------\r\n");
-	serial0_sendString("HAB Controller 1.0 - Initialized!\r\n");
-	serial0_sendString("---------------------------------\r\n\r\n");
+	//serial0_sendString("\r\n\r\n---------------------------------\r\n");
+	//serial0_sendString("HAB Controller 1.0 - Initialized!\r\n");
+	//serial0_sendString("---------------------------------\r\n\r\n");
+	serial0_sendString("\r\n\r\nHELLO.\r\n\r\n");
 	
-	//led_on(POWER);
+	led_on(POWER);
 	
 	// Buffer for string operations
 	char logbuf[32];
-	const char* logBufPtr = logbuf;
 	
 	// Software timers	
 	uint32_t lastAprsBroadcast = 0;
@@ -72,24 +78,12 @@ int main(void)
 	
 	while(1)
     {
-		
 		// Periodic: Logging
 		if(time_millis() - lastLog > LOGGER_RATE) 
 		{
-			
-			// TODO: Acquire data from daughterboards
-			//       This will be complicated because we need timeouts / unreliable transmission, etc
-			//
-			// For each daughterboard...
-			//   1. Send request to daughterboard for sensor data
-			//   2. Wait for response from daughterboard (timeout!)
-			//   3. Put data into local variables for transmission / logging
-			
 			led_on(STAT);
-			snprintf(logbuf, 32, "%lu,%lu,%lu,\r\n", time_millis(), lastAprsBroadcast,lastLog);
-			logger_log(logbuf);
-			//serial0_sendString("SD Logger: ");
-			//serial0_sendString(logBufPtr);
+			//snprintf(logbuf, 32, "%lu,%lu,%lu,\r\n", time_millis(), lastAprsBroadcast,lastLog);
+			//logger_log(logbuf);
 			led_off(STAT);
 			lastLog = time_millis();
 		}		
@@ -102,9 +96,12 @@ int main(void)
 			//serial0_sendString("Initiating APRS transmission...\r\n");
 			
 			// Start getting values for next transmission
-			// TODO: Check ifRequesting first. If we are still requesting, something is terribly wrong.
-			if(!slavesensors_isrequesting())
+			if(slavesensors_isrequesting())
 			{
+				// TODO: something is terribly wrong
+			}
+			else 
+			{				
 				slavesensors_startprocess();
 			}
 			
diff --git a/master/master/master.cproj b/master/master/master.cproj
--- a/master/master/master.cproj
+++ b/master/master/master.cproj
@@ -186,6 +186,12 @@
     <Compile Include="lib\sd\sd_raw_config.h">
       <SubType>compile</SubType>
     </Compile>
+    <Compile Include="lib\sensordata.c">
+      <SubType>compile</SubType>
+    </Compile>
+    <Compile Include="lib\sensordata.h">
+      <SubType>compile</SubType>
+    </Compile>
     <Compile Include="lib\serial.c">
       <SubType>compile</SubType>
     </Compile>