diff --git a/sw/airborne/dpicco.c b/sw/airborne/dpicco.c
index 7d59a8208d..6b5bd80536 100644
--- a/sw/airborne/dpicco.c
+++ b/sw/airborne/dpicco.c
@@ -17,6 +17,9 @@ uint8_t dpicco_status;
 
 uint16_t dpicco_val[DPICCO_NB_SENSOR];
 
+float dpicco_humid;
+float dpicco_temp;
+
 #define DPICCO_SLAVE_ADDR 0xF0
 
 
@@ -39,7 +42,7 @@ void dpicco_periodic( void ) {
       dpicco_i2c_done = FALSE;
       i2c_receive(DPICCO_SLAVE_ADDR, 4, &dpicco_i2c_done);
       
-      LED_ON(2);
+//      LED_ON(2);
     }
     else if (dpicco_status == DPICCO_MEASURING_RD) {
       /* get data */
@@ -50,7 +53,7 @@ void dpicco_periodic( void ) {
       dpicco_i2c_done = FALSE;
       i2c_receive(DPICCO_SLAVE_ADDR, 4, &dpicco_i2c_done);
       
-      LED_TOGGLE(2);
+//      LED_TOGGLE(2);
     }
   }
 }
diff --git a/sw/airborne/dpicco.h b/sw/airborne/dpicco.h
index d2d4318029..0dcbdfe622 100644
--- a/sw/airborne/dpicco.h
+++ b/sw/airborne/dpicco.h
@@ -7,11 +7,20 @@
 
 extern uint16_t dpicco_val[DPICCO_NB_SENSOR];
 
+extern float dpicco_humid;
+extern float dpicco_temp;
+
 #define DPICCO_IDLE         0
 #define DPICCO_SETTINGS     1
 #define DPICCO_MEASURING_WR 2
 #define DPICCO_MEASURING_RD 3
 
+#define DPICCO_HUMID_MAX    0x7FFF
+#define DPICCO_HUMID_RANGE  100.0
+
+#define DPICCO_TEMP_MAX     0x7FFF
+#define DPICCO_TEMP_RANGE   165.0
+#define DPICCO_TEMP_OFFS    -40.0
 
 extern uint8_t dpicco_status;