Alternate Power Supplies

scott at gnuveau.net scott at gnuveau.net
Thu Mar 15 23:53:33 EDT 2007


Hi Bert,

On Fri, 16 Mar 2007, Chris Ball wrote:

> Hi Bert,
>
>    > Hi folks, what voltage does the power jack actually accept?
>
> The current safe range is 10-19V; the input caps are rated at 25V.

You could power that from a solar cell without need for a charge
controller or external regulator.  How many Amperes do the boards
require? how many Amp Hours do the batteries hold, at what voltage?

Per a bicycle dynamo, a bridge recitifier such as is found in an
automotive alternator would make that a smooth DC current supply.

Scott

>
> - Chris.
> --
> Chris Ball   <cjb at laptop.org>
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