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Eldata | all galleries >> D300 shots >> Miscellaneous >> Sieg X2 mini-mill CNC conversion >> Spindle reversal upgrade > Completed upgrade
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02-NOV-2017

Completed upgrade

Parallel port data bit pin 8 is used to control the 120VAC relay (via SSR interface relay) and is set to 3.3V or 5V when M4 code is active, resulting in CCW spindle rotation. M3 code clears to 0V resulting in default CW spindle rotation.

Nikon D300
1/60s f/11.0 at 29.0mm iso200 full exif

other sizes: small medium large original auto
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