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  1. 27-08-2010 #9
    irving2008's Avatar
    Lives in NW London, gateway to A1 & M1, United Kingdom.
    irving2008
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    well those steppers need 1A/phase so a 3A supply will be fine. The motors are 6.2v so need a 5.8ohm resistance on 12v, which is 5.8W so try a 6V 6W motorcycle tail/side light bulb to start, this will limit current to about 0.9A. A pair of 12V 15W bulbs in parallel will increase the current to about 1.2A, on a 12v supply.
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