Hey guys, I got thrown into this class for electronics and it's final project time, I was simply trying to create an arm that goes up to the high input, and back down on the low input. That's the arduino part of my project but I definitely need a power supply to power the arm. I used this link that …

Project help for a n00b... :(

system April 9, 2012, 1:50pm 2

One obvious question is "how big is the arm?"

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