[Metalab] led throwies with biobatteries

[Bernhard Kuemel]

On 11/23/2010 09:45 PM, Sven Guckes wrote:
> * Damian Stewart <damian.ml at frey.co.nz> [2010-11-23 14:31]:
>> well, it still just _feels_ wrong
>> to go and throw batteries around...
> 
> biodigradable batteries, anyone?
> now *that* would cause a craze! :)

There are also solar cells. I recently broke apart some and soldered the
pieces in series. Got 5V or so from 12 pieces. Charge a supercap and
wait till it's dark.