On 09/27/2013 08:47 PM, Bob Armstrong wrote: I would write something cool to take advantage of its strengths. Got documentation on how to talk to it?? Sadly I do not. They make use of a custom CPU, or perhaps just a state machine. Got prints? It might be too smart for us :-) Nonsense! B-) -Dave -- Dave McGuire, AK4HZ New Kensington, PA