I thought the Iteaduino has a DC/DC converter, not a regulator, and that it takes the supply voltage down to 5V. That's why I was looking at it. I thought that should take care of the heat issue?It does seem to have a switching regulator, so that is a good thing, lot less heat generated for a given voltage drop Vs linear regulators. However a servo should still use it's own voltage source good for at least one amp per servo.That question aside, I heed your comments about running servos off a board. I see lots of people doing it and am wondering whether it is more a prototype to prove it *can* be done rather than whether it *should* be done. This thing is going to be outside 24x7 and located miles away from people. It needs to be rock solid. Oh, and the whole thing is going to be solar powered as well.I have to have the phone running off the Arduino board because it is going to be driving the board in USB host mode, but it needs to be charged be the board at the same time.
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