brainwagon "There is much pleasure in useless knowledge." — Bertrand Russell

20May/112

Improved Joule Thief Circuit

While surfing for more LED information, I found this rather nifty little circuit on Electronic Design's website. It's a little Joule Thief-like circuit, but with enhanced efficiency (~80%) and it can drive white LEDs with rather large forward voltage drops. Archived for later....

Single Alkaline Battery Drives White LED.

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