diff --git a/FDRS_Install/FDRS_datatypes.h b/FDRS_Install/FDRS_datatypes.h
new file mode 100644
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+++ b/FDRS_Install/FDRS_datatypes.h
@@ -0,0 +1,33 @@
+// A list of all datatypes you can use within FDRS.
+// If you are missing any data type, please open an issue at:
+// https://github.com/timmbogner/Farm-Data-Relay-System/issues
+ 
+#ifndef FDRS_DATA_TYPES
+#define FDRS_DATA_TYPES
+
+#define STATUS_T        0  // Status 
+#define TEMP_T          1  // Temperature 
+#define TEMP2_T         2  // Temperature #2
+#define HUMIDITY_T      3  // Relative Humidity 
+#define PRESSURE_T      4  // Atmospheric Pressure 
+#define LIGHT_T         5  // Light (lux) 
+#define SOIL_T          6  // Soil Moisture 
+#define SOIL2_T         7  // Soil Moisture #2 
+#define SOILR_T         8 // Soil Resistance 
+#define SOILR2_T        9 // Soil Resistance #2 
+#define OXYGEN_T        10 // Oxygen 
+#define CO2_T           11 // Carbon Dioxide
+#define WINDSPD_T       12 // Wind Speed
+#define WINDHDG_T       13 // Wind Direction
+#define RAINFALL_T      14 // Rainfall
+#define MOTION_T        15 // Motion
+#define VOLTAGE_T       16 // Voltage
+#define VOLTAGE2_T      17 // Voltage #2
+#define CURRENT_T       18 // Current
+#define CURRENT2_T      19 // Current #2
+#define IT_T            20 // Iterations
+#define LATITUDE_T      21 // GPS Latitude
+#define LONGITUDE_T     22 // GPS Longitude
+#define ALTITUDE_T      23 // GPS Altitude
+
+#endif
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