Sounds kinda like a perpetual motion machine.... ;-) Just put a mirror in front of the LED, which reflects the light back to the LED, generates more juice than went in, and charges the battery. I'll patent it just after I patent my cordless bungee jumping tower ;-o ----- Original Message ----- From: "Scott Newell" To: Sent: Wednesday, September 26, 2001 10:12 AM Subject: Re: [EE]: Self Flashing light powered LED cct > >Is the LED generating juice from the light? This is hard to swallow. I've > > Sure they can. It's a PN junction exposed to light, after all. > > I've got one of those famous three cell AAA NiMH packs connected to a white > led in my room. It's been connected for a couple of months, and I noticed > the other night that there is still a very faint glow coming from the led. > I suspect the photocurrent is very slightly charging the battery pack. > > > newell > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.