2023/11/142023/11/17 By admin In Battery or Cell, Building projects and kits, Do It Yourself, Electronic Components, Electronics Books, documents, literature, Inventions, Joule Thief SMPS DC-DC, LED, Meters and Test Equipment, Oscillators, Schematics, Websites 2023-11-14 My Supercharged Joule Thief At Devopedia He uses my SJT circuit in his web page. https://devopedia.org/joule-thief-circuit