Link119
Aquarium Advice Freak
- Joined
- Oct 26, 2011
- Messages
- 334
Maybe run it off of 3 alkaline cells and have a voltage regulator. With 12v the lifespan of an led is being sacrificed. To run it off of 3.2v and use ohm's law to find the appropriate resistor for the current rating of the led. The internal resistance of an led changes. I was wrong about not needing a resistor. If you give me the exact setup of the whole arrangement along with the ratings/link to the led i will be glad to help.