hi, i want to make a led torch , something simple , that runs of 2 , maybe
4 , 1.5 volt battteries . and to power 2 or 4 white leds.is there a driver to make bit more efficent use of battery and leds ? something that uses transistors etc , NOT ic`s.
thanks, mark k
...among others.
-- Cats, coffee, chocolate...vices to live by
What a neat site. Check out the pics of the guy electrocuting himself. Just go up the the bigclive folder and scroll to the bottom of the page.
- Tim -
maybe
?Sounds like a simple constant current source. Google it.
ehsjr wrote in news:dAWnj.668$4f.98@trndny08:
Fair enough. Could be so. There's usually enough high erudition floating around here for me to doubt that though. I got a couple of answers, and added some thoughts of my own about the subject. All feedback welcome. Even flames are better than what I saw before.
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