Should work anywhere that uses the same system - 4 wires (one for each direction) and connect to ground (or +12v) to activate.
The Gemini grounds the wires to activate them, but if you were building for a different controller that connected up to +12v then it's a simple change.
PS the Gemini has a second port for an autoguider that uses the same system, so I could connect a second hand controller to it and have one hand controller at the scope and another one over at the computer.
Bird
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