diff --git a/Source/main.c b/Source/main.c
--- a/Source/main.c
+++ b/Source/main.c
@@ -13,6 +13,7 @@
 #include "si446x/si446x.h"
 #include "aprs/aprs.h"
 #include "aprs/afsk.h"
+#include "pressure.h"
 #include "gps.h"
 
 
@@ -26,6 +27,7 @@ int main(void)
   afsk_init();
   si446x_init();
   gps_poweron();
+  pressure_init();
 
   // Software timers
   uint32_t last_transmission = HAL_GetTick();
@@ -37,6 +39,7 @@ int main(void)
 	  if(HAL_GetTick() - last_transmission > 700)
 	  {
 		  gps_update_data(); // Will always return at 1hz rate (default measurement rate)
+		  pressure_read();
 		  aprs_send();
 		  //while(afsk_busy());