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Stepmotor Driver Module v1.1 (HR8825) SKU: M039-V11 RS485 to Drive 6060 Push

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ispybadguys
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I am trying to do this but I do not know what GPIO pins are used for this. If if try to use the pins shown on the schematic (RX26,TX34) the Serial2.begin instruction crashes. I am using the CORE2 AWS CPU.

Thanks
Kurt
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