Hi,
We can use all available stepper & keypad Arduino library over there.
Just let me know your wiring diagram and detail system.
I know both firmware and Hardware part. I have design and programmed microcontroller since 2012 and have done lot of project from Hobbyst, Robotic, Industrial, IoT, and Military-aerospace application.
Let's discuss the detail over chat.
Let me know your problem and I will help you solve it.
Best Regards
Rijal