Hi all can someone guild me true changing my extruder direction in the firmware. Cos i'm new to all
dis and i'm an idiot. Oh the firmware is marlin..
thanks...

Change INVERT_E0_DIR in configuration.h (line ~214).

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-Nudel
Blog with RepRap Comic

how do i access the firmware that is on the board.

You can't, (at least not in an easy way). Your can contact the person you bought the electronics from to get the firmware he uploaded, but it'd be best (as in you learn the most) to download Marlin [github.com] get to know it and configure it yourself.

If you want to switch the extruder direction outside of the firmware, just turn off and disconnect power to the electronics, then flip the extruder motor connector.

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-Nudel
Blog with RepRap Comic

Thanks nudel.
Will try do it wire way as i under stand that way.