diff --git a/slave/slave/lib/masterComm.c b/slave/slave/lib/masterComm.c
--- a/slave/slave/lib/masterComm.c
+++ b/slave/slave/lib/masterComm.c
@@ -67,7 +67,7 @@ void masterComm_types()
 void masterComm_packetSend_unsigned(uint8_t id, uint32_t data)
 {
 	serial0_sendChar('[');
-	snprintf(buff2,64,"%u%u",id,data);
+	snprintf(buff2,64,"%u%lu",id,data);
 	serial0_sendString(buff2);
 	serial0_sendChar(']');
 	serial0_sendChar(masterComm_checksum(buff2));
@@ -76,7 +76,7 @@ void masterComm_packetSend_unsigned(uint
 void masterComm_packetSend_signed(uint8_t id, int32_t data)
 {
 	serial0_sendChar('[');
-	snprintf(buff2,64,"%u%d",id,data);
+	snprintf(buff2,64,"%u%ld",id,data);
 	serial0_sendString(buff2);
 	serial0_sendChar(']');
 	serial0_sendChar(masterComm_checksum(buff2));
@@ -111,16 +111,16 @@ void masterComm_modules()
 			masterComm_packetSend_unsigned(3,sensors_getSpiTemp());
 			
 			// Send Ambient Light (Needs to be formatted)
-			masterComm_packetSend_unsigned(4,/*Ambient Light Get Function Here */0);
+			masterComm_packetSend_unsigned(4,/*Ambient Light Get Function Here */123);
 			
 			// Send Humidity
-			masterComm_packetSend_unsigned(5,/*Humidity Get Function Here */0);		
+			masterComm_packetSend_unsigned(5,/*Humidity Get Function Here */456);		
 			
 			// Send Pressure 
-			masterComm_packetSend_unsigned(6,/*Pressure Get Function Here */0);			
+			masterComm_packetSend_unsigned(6,/*Pressure Get Function Here */7890);			
 			
 			// Send Altitude
-			masterComm_packetSend_unsigned(7,/*Altitude Get Function Here */0);
+			masterComm_packetSend_unsigned(7,/*Altitude Get Function Here */456789);
 			break;
 			
 		case 2: