diff --git a/Hctl2022.h b/Hctl2022.h
new file mode 100644
index 0000000..ac4e3e1
--- /dev/null
+++ b/Hctl2022.h
@@ -0,0 +1,43 @@
+#ifndef Hctl2022_h 
+#define hctl2022_h
+
+#include <Arduino.h>
+
+class Hctl2022
+{
+    public:
+        Hctl2022(int,int,int); // constructor
+        unsigned long hctlRead(); // read the hctl2022
+        void hctlDebug();
+  
+    private:
+        void getMsb(); // get the most significant byte
+        void get3rd(); // get the 3rd byte
+        void get2nd(); // get the 2nd byte 
+        void getLsb(); // get the least significant byte
+      
+        unsigned long _result;   
+        unsigned long _temp;   
+        int _oe;
+        int _sel1;
+        int _sel2;
+      
+        //intermediary result for read function
+        byte _hi_old;
+        byte _hi_new;
+        byte _result_hi;
+      
+        byte _2nd_old;
+        byte _2nd_new;
+        byte _result_2nd;
+      
+        byte _3rd_old;
+        byte _3rd_new;
+        byte _result_3rd;
+      
+        byte _lo_old;
+        byte _lo_new;
+        byte _result_lo;
+};
+
+#endif