Bicycle Power adaptor for Freerunner

Alexander Mueller XelaRellum at web.de
Tue Feb 17 16:20:26 CET 2009


Ah, plenty of links.
 > http://geektechnique.org/projectlab/511
This looks quite nice, but the electronics from
 > http://www.instructables.com/id/
 > How-to-Charge-Any-USB-Device-by-Riding-Your-Bike/
looks nice to me

 > http://www.treehugger.com/files/2007/11/if_you_can_brea.php
 > http://fablab.waag.org/content/usb-bike-charger
Are interesting, but I wanna use my hub generator (already existent).

I am contemplating about an option to have a breaker switch so voltage 
goes exclusively to the charger (during daytime) or to the lights. 
Should be most efficient that way. Oh, and to tbe able to turn the stuff 
off....

Alex


Risto H. Kurppa schrieb:
> On Tue, Feb 17, 2009 at 1:08 PM, Alexander Mueller <XelaRellum at web.de> wrote:
>> Hey all,
>> is anybody out there who is using the FR on longer trips for navigation
>> and/or geocaching? How did you solve the power problem?
>>
>> I would love to have an adapter from my hub generator for the
>> Freerunner. Should not be too difficult. Something to convert AC to DC
>> and then maybe some switching thing to getthe right voltage (DC/DC
>> converter or what).
>>
>> Does anybody have a solution or some hints?
> 
> 
> Something like
> http://geektechnique.org/projectlab/511
> http://fablab.waag.org/content/usb-bike-charger
> http://www.instructables.com/id/How-to-Charge-Any-USB-Device-by-Riding-Your-Bike/
> http://www.treehugger.com/files/2007/11/if_you_can_brea.php :)
> 
> If you decide to go for one, let us know!
> 
> r
> 




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