On Mon, 18 Jan 2010 16:43:07 -0800, the renowned John Larkin
wrote:


Or this (blue or white LEDs)

Or do this:


+14V-+-------+
| |
| [R1]
| |
[2 mo LEDs] [2 LEDs]
| |
| +--------etc
| |
| E
[POT]--B PNP
| C
| |
GND--+-------+


which actually solves the whole problem.


John



Best regards,
Spehro Pefhany
--
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