Joule thief
From emboxit
- Joule thief - Wikipedia, the free encyclopedia
- Weekend Projects with Bre Pettis: Make a Joule Thief | Evil Mad Scientist LaboratoriesSourceURL
- Build your Own Joule ThiefSourceURL
- CircuitLab - Public circuits tagged "joule-thief"
- Make a Joule thief
- Make a Joule Thief instructables
- Lantern LED retrofit
Further work could include: Implementing US Patent 4,734,658 which utilises a JFET rather than a BJT transistor to decrease operating voltage down to 0.1V.
Air coil