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Can I just connect it to a screw terminal? also, a question about power supply longevity

Posted by Anthrochick 
Okay, It's been a really long while since I've had anything to do with creating my own power supply and I was wondering if I could just connect a laptop power brick with the tip stripped (I was planning on putting a new tip on it to use with a different computer but I bought a universal charger instead so I now have a nifty busted charger) to the screw terminal on my sanguinololu 1.3. I had originally planned on wiring a universal adapter tip to an xlr connector but was wondering if this would be easier. Has anyone else had any luck with laptop power bricks? Do they work as well as a car battery or a pc PSU?


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Sure you can as long as you're sure of the polarity. Keep in mind that most laptop supplies are in the 15-20V range, which is better for powering the motors and heaters but will heat up your 5V regulator more and will be too much for any directly connected fans.
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