Recently I found some time to update my OnStep PCB board (MT1-3 control added).
I haven't done PCB yet - I am waiting for another order by company I work for to share a shipping cost (PCBfast will do 5 those boards for US$5.00).
This PCB fits into EQ6 mount (to replace the original), it has (my) standard connector (DSUB15 for onstep, DB25 for Bartels) and works with my hand-pad controller (arduino or STM32 or Bartels or whatever, provided it has Dir-Step interface).
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