presumably this LED has to be in a flashing circuit, or it runs the risk of
its own light creating current, and it just gets brighter, and brighter, and
brighter ....... ;-)


Regards, Kevin

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Scott Newell
Sent: 26 September 2001 16:13
To: PICLIST@MITVMA.MIT.EDU
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

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