hardware_interface file added

software/hardware_interface.py

+#Class that uses bluetooth to communicate with HC-06
+#https://github.com/pybluez/pybluez
+import bluetooth
+
+class Hardware_interface:
+    
+    def __init__(self):
+        nearby_devices = bluetooth.discover_devices(lookup_names=True)
+        print("Found {} devices.".format(len(nearby_devices)))
+
+        for addr, name in nearby_devices:
+            print("  {} - {}".format(addr, name))
+       
+    #Print device list to check names used by the system. Used for debugging purposes
+    #def print_device_list(self):
+        
+
+    #def send_data(self):
+
+    #def get_data(self):
\ No newline at end of file