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@@ -191,6 +191,8 @@ For information see the following blog post: <http://blog.tkjelectronics.dk/2014
 
 Also check out this excellent Wiki by Frank Zhao about the PS4 controller: <http://eleccelerator.com/wiki/index.php?title=DualShock_4> and this Linux driver: <https://github.com/chrippa/ds4drv>.
 
+Several guides on how to use the PS4 library has been written by Dr. James E. Barger and are available at the following link: <https://sites.google.com/view/vbatc-engineeringtechnology2/control-system-tutorials/ps4-tutorials>.
+
 ### PS3 Library
 
 These libraries consist of the [PS3BT](PS3BT.cpp) and [PS3USB](PS3USB.cpp). These libraries allows you to use a Dualshock 3, Navigation or a Motion controller with the USB Host Shield both via Bluetooth and USB.