Arduino/Gshield Second Life

For those that have upgraded to the x-controller, what have you done with your existing Arduino/Gshield setup? Curious if anyone has any creative ideas to make use of it.

When I build a replacement controller for my Xcarve I will most likely use the gshield to drive a laser I have yet to build.
I got the 2.8w jtec laser when I bought my kit, but haven’t got further with it than opening the box.

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