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1  Forum 2005-2010 (read only) / Interfacing / Powering a small hobby servo and a small motor on: January 23, 2011, 02:22:38 pm
Hi everyone

I am creating a bubble machine which uses a small hobby servo for dipping some metal wire into a bowl of soap water and a small motor for turning a fan.

My problem is that the arduino cannot run these on its own power supply, when powered by usb.

My question is can it run these if I purchase a 9v adapter? Or is the only solution to power one of them from a battery pack?

I know this is a pretty easy question if you know something about electronics, and I am computer science educated, however mostly with focus on software not hardware.
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