Hi Brooke,

You might try a variation on this:

http://bobblick.com/3cell/

I forget exactly what voltage it starts with, but you should be able to 
play with resistors here or there and get it to start.

Moving Q2's emitter to the input voltage is probably required too.

Cheers,

Bob


On 23 Nov 2005 at 11:04, Brooke Clarke wrote:
> 
> I got a Honeywell Q313 series "750 millivolt Powerpile Generator" and 
> have measured it's output when in one finger of a gas stove flame.
> It puts out about half a volt at 100 ma with a 5 Ohm load (50 mw) and 
> probably would produce more power with a lower resistance load.
> See: http://www.pacificsites.com/~brooke/batt.shtml#Heat
> 
> Is there a circuit that would transform this into say 3.3 volts at 10 ma 
> that would be suitable to power a PIC?

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