Freerunner-powered bike ride

steve steve at
Mon Aug 4 03:16:57 CEST 2008

Put it on the wiki somewhere. Sounds cool. 

-----Original Message-----
From: community-bounces at
[mailto:community-bounces at] On Behalf Of Brad Midgley
Sent: Sunday, August 03, 2008 5:08 PM
To: List for Openmoko community discussion
Subject: Re: Re: Freerunner-powered bike ride


> My solution consists of a MOSFET rectifier bridge and a low-dropout 
> linear voltage regulator that outputs 5 volts:

a switching regulator would generate less waste heat and present less
physical resistance in the dynamo. Maybe it's negligible, but it's not that
much expense to upgrade from a linear regulator.

I have one of these
that I could try once I have a hub dynamo.


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