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

Your figures for open circuit and 5 ohm load indicate the pile has about 3
ohms resistance.

> Is there a circuit that would transform this into say 3.3 volts at 10
> ma that would be suitable to power a PIC?

Not without some serious magic.  3.3V x 10mA = 330mW.  That's nearly 7 times
what you measured with a 5 ohm load.  Where exactly do you expect this power
to come from?


******************************************************************
Embed Inc, Littleton Massachusetts, (978) 742-9014.  #1 PIC
consultant in 2004 program year.  http://www.embedinc.com/products
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist