diff --git a/extras/Node.md b/extras/Node.md
index ad2d17d..9e72149 100644
--- a/extras/Node.md
+++ b/extras/Node.md
@@ -49,6 +49,12 @@ void setup() {
   subscribeFDRS(READING_ID);
 }
 void loop() {
+  //    data1 = readHum();
+  //    loadFDRS(data1, HUMIDITY_T);
+  //    data2 = readTemp();
+  //    loadFDRS(data2, TEMP_T);
+  //    sendFDRS();
+  //    sleepFDRS(10);  //Sleep time in seconds
 }
 ```
 
@@ -99,7 +105,8 @@ For the moment, my thought is to reserve the first two bits of the type. I might
 #define LATITUDE_T      21 // GPS Latitude
 #define LONGITUDE_T     22 // GPS Longitude
 #define ALTITUDE_T      23 // GPS Altitude
-
+#define HDOP_T          24 // GPS HDOP
+#define FLUIDLVL_T      25 // Fluid Level
 ```
 ## Under the hood
 ```
diff --git a/src/fdrs_datatypes.h b/src/fdrs_datatypes.h
index 2762867..1961eb4 100644
--- a/src/fdrs_datatypes.h
+++ b/src/fdrs_datatypes.h
@@ -29,5 +29,7 @@
 #define LATITUDE_T      21 // GPS Latitude
 #define LONGITUDE_T     22 // GPS Longitude
 #define ALTITUDE_T      23 // GPS Altitude
+#define HDOP_T          24 // GPS HDOP
+#define FLUIDLVL_T      25 // Fluid Level
 
 #endif //FDRS_DATA_TYPES
\ No newline at end of file