[Lab] arduino power adapter rating

[Darcy Whyte]

I don't think it matters.

There's no such thing as too much amperage. Your arduino will only draw what
it needs.

I'm sure you'll be fine with that one for a while.

What are you planning on running from the arduino?

On Thu, Jul 21, 2011 at 4:43 PM, mike sorensen <mikeysorensen at hotmail.com>wrote:

>  Just got the arduino duemilanove. What are people using for a power
> adapter? I picked an adapter that runs at 9V since the manual suggest
> anywhere from 7-12V. It doesn't mention anything about amperage. I tried
> searching google and get anything from 40 mA to 1 amp. My adapter is rated
> 500mA. Does this sound reasonable? Too much? not enough?
>
> mike
>
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