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1  Using Arduino / Project Guidance / Re: Will Uno run on 12v? on: January 28, 2011, 04:28:15 am
Thank you all!  This is a knowledge that could be expensive to learn the hard way!  smiley
2  Using Arduino / Motors, Mechanics, and Power / Control stepper motor starting position? on: January 27, 2011, 09:33:34 am
Hi,

What would be the best way to initialize a stepper motors starting position? Im would like my motor to operate 0-180 degrees but never go beyond that since it will be fitted against a wall. The starting position would be 90 degrees straight out from the wall.

Is there a way to control this? If i have to use a sensor it should be able to last a couple of thousend initializations.

Cheers,
Mike (beginner :-)
3  Using Arduino / Project Guidance / Will Uno run on 12v? on: January 27, 2011, 09:17:49 am
Hi,

I would like to fit both the Arduino Uno and a 12 volt stepper motor into a single box with one powercord.

Output from the Transformer is 12v, 2000 mA. How do I split that between the Arduiono and motor, and will the Arduino run on 12 volts or do I have to decrease it to 5v?

Thanks,
Mike (beginner :-)
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